diff --git a/src/modules/5s/BoardGamePerformance.vue b/src/modules/5s/BoardGamePerformance.vue
new file mode 100644
index 0000000..ab6e34b
--- /dev/null
+++ b/src/modules/5s/BoardGamePerformance.vue
@@ -0,0 +1,68 @@
+<script setup lang="ts">
+import { useBoardGameStore } from '@/modules/5s/board-game-store'
+import { toDuration, toSeconds } from '@/modules/5s/utils'
+import { getNatural } from '@/utils'
+import { ref } from 'vue'
+
+const boardGameStore = useBoardGameStore()
+
+const duration = ref<string | null>(null)
+
+setInterval(() => {
+  duration.value = boardGameStore.meta.start
+    ? toDuration(
+        new Date(boardGameStore.meta.start),
+        boardGameStore.meta.end ? new Date(boardGameStore.meta.end) : new Date()
+      )
+    : null
+}, 1000)
+</script>
+
+<template>
+  <div class="board-game-performance">
+    <p class="numeric">{{ duration }}</p>
+
+    <template v-if="boardGameStore.meta.perfs.length > 0">
+      <h3>Last performances</h3>
+
+      <table class="table">
+        <thead>
+          <tr>
+            <th>Round</th>
+            <th>Duration</th>
+            <th>Board Games</th>
+            <th>Time / board game</th>
+          </tr>
+        </thead>
+        <tbody>
+          <tr v-for="(perf, index) in boardGameStore.meta.perfs">
+            <td>{{ index + 1 }}</td>
+            <td class="numeric">
+              {{ toDuration(new Date(perf.start), new Date(perf.end)) }}
+            </td>
+            <td class="numeric">
+              {{ perf.totalGames }}
+            </td>
+            <td class="numeric">
+              {{
+                getNatural(
+                  toSeconds(new Date(perf.start), new Date(perf.end)),
+                  perf.totalGames
+                )
+              }}s
+            </td>
+          </tr>
+        </tbody>
+      </table>
+      {{ boardGameStore.countUsedTools }}
+    </template>
+  </div>
+</template>
+
+<style scoped lang="scss">
+.board-game-performance {
+  .numeric {
+    text-align: right;
+  }
+}
+</style>
diff --git a/src/modules/5s/BoardGameToolbox.vue b/src/modules/5s/BoardGameToolbox.vue
index 626315b..e59bd1b 100644
--- a/src/modules/5s/BoardGameToolbox.vue
+++ b/src/modules/5s/BoardGameToolbox.vue
@@ -4,14 +4,36 @@ import { shuffleArray } from '@/utils'
 import { computed } from 'vue'
 
 const boardGameStore = useBoardGameStore()
+
+const isSeiriActivated = computed(() => boardGameStore.sUsed.includes('seiri'))
 const isSeitonActivated = computed(() =>
   boardGameStore.sUsed.includes('seiton')
 )
+// const isSeisoActivated = computed(() => boardGameStore.sUsed.includes('seiso'))
 
-const rawTools = computed(() =>
-  shuffleArray(
-    boardGameStore.tools.map((t) => `${t.name} (ref: ${t.reference})`)
-  ).join(', ')
+const neededTools = computed(
+  () =>
+    new Set(
+      boardGameStore.boardGames
+        .flatMap((g) => g.parts)
+        .flatMap((p) => p.tasks)
+        .flatMap((t) => t.tools)
+        .map((t) => t.id)
+    )
+)
+
+const tools = computed(() => {
+  if (isSeiriActivated.value) {
+    return boardGameStore.tools.filter((t) => neededTools.value.has(t.id))
+  } else {
+    return boardGameStore.tools
+  }
+})
+
+const toolsToDisplay = computed(() =>
+  shuffleArray(tools.value.map((t) => `${t.name} (ref: ${t.reference})`)).join(
+    ', '
+  )
 )
 </script>
 
@@ -23,18 +45,20 @@ const rawTools = computed(() =>
           <tr>
             <th>Tool</th>
             <th>Reference</th>
+            <th>Used</th>
           </tr>
         </thead>
         <tbody>
-          <tr v-for="tool in boardGameStore.tools" :key="tool.reference">
+          <tr v-for="tool in tools" :key="tool.reference">
             <td>{{ tool.name }}</td>
-            <td>{{ tool.reference }}</td>
+            <td class="numeric">{{ tool.reference }}</td>
+            <td>{{ boardGameStore.countUsedTools[tool.id] }}</td>
           </tr>
         </tbody>
       </table>
     </div>
     <div v-else>
-      {{ rawTools }}
+      {{ toolsToDisplay }}
     </div>
   </div>
 </template>
diff --git a/src/modules/5s/BoardGameWorkshop.vue b/src/modules/5s/BoardGameWorkshop.vue
index bb9f313..a02756f 100644
--- a/src/modules/5s/BoardGameWorkshop.vue
+++ b/src/modules/5s/BoardGameWorkshop.vue
@@ -1,30 +1,19 @@
 <script setup lang="ts">
 import { useBoardGameStore } from '@/modules/5s/board-game-store'
+import BoardGamePerformance from '@/modules/5s/BoardGamePerformance.vue'
 import BoardGameToolbox from '@/modules/5s/BoardGameToolbox.vue'
 import { _5S, is5S } from '@/modules/5s/types/5s'
-import { toDuration } from '@/modules/5s/utils'
 import { onMounted, ref, toValue } from 'vue'
 
 const userInput = ref('')
 const mode = ref<_5S | null>(null)
 const boardGameStore = useBoardGameStore()
-const duration = ref<string | null>(null)
-
 if (import.meta.env.DEV) {
   onMounted(() => {
     boardGameStore.initGame()
   })
 }
 
-setInterval(() => {
-  duration.value = boardGameStore.meta.start
-    ? toDuration(
-        new Date(boardGameStore.meta.start),
-        boardGameStore.meta.end ? new Date(boardGameStore.meta.end) : new Date()
-      )
-    : null
-}, 1000)
-
 const submit = () => {
   const lastInput = toValue(userInput)
   userInput.value = ''
@@ -49,6 +38,11 @@ const submit = () => {
     boardGameStore.activateS(command)
     return
   }
+
+  // d for debug
+  if (command === 'd') {
+    boardGameStore.increment()
+  }
 }
 </script>
 
@@ -151,18 +145,7 @@ const submit = () => {
     </div>
     <aside class="performance prose">
       <h2>Performance</h2>
-
-      <p class="duration numeric">{{ duration }}</p>
-
-      <template v-if="boardGameStore.meta.perfs.length > 0">
-        <h3>Last performances</h3>
-
-        <ul>
-          <li v-for="[start, end] in boardGameStore.meta.perfs">
-            {{ toDuration(new Date(start), new Date(end)) }}
-          </li>
-        </ul>
-      </template>
+      <BoardGamePerformance />
     </aside>
   </div>
 </template>
@@ -171,12 +154,6 @@ const submit = () => {
 @import url('https://fonts.googleapis.com/css2?family=Google+Sans+Code&display=swap');
 
 .board-game-workshop {
-  flex: 1;
-  font-family: 'Google Sans Code', monospace;
-  font-optical-sizing: auto;
-  font-weight: 400;
-  font-style: normal;
-  font-size: 14px;
   display: flex;
   gap: 1rem;
   padding: 1rem;
@@ -218,7 +195,7 @@ aside,
   margin: 1rem;
 }
 
-.duration {
-  text-align: right;
+.card-title {
+  justify-content: center;
 }
 </style>
diff --git a/src/modules/5s/board-game-store.ts b/src/modules/5s/board-game-store.ts
index e1f228a..864f28b 100644
--- a/src/modules/5s/board-game-store.ts
+++ b/src/modules/5s/board-game-store.ts
@@ -3,7 +3,7 @@ import { boardGames } from '@/modules/5s/types/board-games'
 import { tools } from '@/modules/5s/types/tools'
 import { BoardGame, Part, Task, Tool } from '@/modules/5s/types/workshop'
 import { toDuration } from '@/modules/5s/utils'
-import { randomAlias } from '@/utils'
+import { accumulate, randomAlias } from '@/utils'
 import { defineStore } from 'pinia'
 
 type State = {
@@ -17,14 +17,20 @@ type State = {
   meta: {
     start: string | null
     end: string | null
-    perfs: Array<[string, string]>
+    perfs: Array<{
+      start: string
+      end: string
+      boardGames: BoardGame[]
+      countGames: Record<string, number>
+      totalGames: number
+    }>
   }
 }
 
 const firstDemands = [
+  boardGames[0],
   boardGames[0]
   // boardGames[0],
-  // boardGames[0],
   // boardGames[0]
 ]
 
@@ -113,7 +119,17 @@ export const useBoardGameStore = defineStore('board-game', {
 
       // All board games complete
       this.meta.end = new Date().toISOString()
-      this.meta.perfs = [...this.meta.perfs, [this.meta.start, this.meta.end]]
+      const countGames = accumulate(this.boardGames.map((b) => b.name))
+      this.meta.perfs = [
+        ...this.meta.perfs,
+        {
+          start: this.meta.start,
+          end: this.meta.end,
+          boardGames: [...this.boardGames],
+          countGames,
+          totalGames: this.boardGames.length
+        }
+      ]
       this.currentBoardGameIndex = null
       this.currentPartIndex = null
       this.currentTaskIndex = null
@@ -162,6 +178,50 @@ export const useBoardGameStore = defineStore('board-game', {
       }
 
       return toDuration(new Date(this.meta.start), new Date(this.meta.end))
+    },
+    countUsedTools(): Record<string, number> {
+      const metaToolIds = this.meta.perfs
+        .flatMap((p) => p.boardGames)
+        .flatMap((b) => b.parts)
+        .flatMap((p) => p.tasks)
+        .flatMap((t) => t.tools)
+        .map((t) => t.id)
+
+      if (
+        !this.meta.start ||
+        !this.currentTask ||
+        !this.currentPart ||
+        !this.currentBoardGame ||
+        this.currentTaskIndex === null ||
+        this.currentPartIndex === null ||
+        this.currentBoardGameIndex === null
+      ) {
+        return accumulate(metaToolIds)
+      }
+
+      const currentBoardGameIndex = this.currentBoardGameIndex
+      const currentPartIndex = this.currentPartIndex
+      const currentTaskIndex = this.currentTaskIndex
+
+      const toolIds = this.boardGames
+        .filter((_, i) => i <= currentBoardGameIndex)
+        .flatMap((b, boardIndex) =>
+          boardIndex === currentBoardGameIndex
+            ? b.parts.filter((_, i) => i <= currentPartIndex)
+            : b.parts
+        )
+        .flatMap((p, partIndex) =>
+          partIndex === currentPartIndex
+            ? p.tasks.filter((_, i) => i <= currentTaskIndex)
+            : p.tasks
+        )
+        .flatMap((t, taskIndex) =>
+          taskIndex === currentTaskIndex
+            ? this.usedTools
+            : t.tools.map((t) => t.id)
+        )
+
+      return accumulate([...metaToolIds, ...toolIds])
     }
   }
 })
diff --git a/src/modules/5s/plan.md b/src/modules/5s/plan.md
index 1555350..fea00c5 100644
--- a/src/modules/5s/plan.md
+++ b/src/modules/5s/plan.md
@@ -10,7 +10,6 @@ import { NonEmptyArray } from '@/modules/5s/types/tools'
 export type Tool = {
   name: string
   alias: string
-  cooldown: number
 }
 
 export type Task = {
@@ -29,14 +28,14 @@ export type BoardGame = {
 }
 
 export const tools: Tool[] = [
-  { name: 'Card Printer', alias: 'card-printer', cooldown: 5 },
-  { name: 'Miniature Mold', alias: 'mini-mold', cooldown: 15 },
-  { name: 'Dice Engraver', alias: 'dice-engraver', cooldown: 10 },
-  { name: 'Board Cutter', alias: 'board-cutter', cooldown: 8 },
-  { name: 'Rulebook Designer', alias: 'rulebook-dzn', cooldown: 6 },
-  { name: 'Box Assembler', alias: 'box-asm', cooldown: 4 },
-  { name: 'Component Painter', alias: 'painter', cooldown: 12 },
-  { name: 'Lamination Machine', alias: 'laminator', cooldown: 7 }
+  { name: 'Card Printer', alias: 'card-printer' },
+  { name: 'Miniature Mold', alias: 'mini-mold' },
+  { name: 'Dice Engraver', alias: 'dice-engraver' },
+  { name: 'Board Cutter', alias: 'board-cutter' },
+  { name: 'Rulebook Designer', alias: 'rulebook-dzn' },
+  { name: 'Box Assembler', alias: 'box-asm' },
+  { name: 'Component Painter', alias: 'painter' },
+  { name: 'Lamination Machine', alias: 'laminator' }
 ]
 export type NonEmptyArray<T> = [T, ...T[]]
 
diff --git a/src/modules/5s/types/tools.ts b/src/modules/5s/types/tools.ts
index 0e263ca..3f68151 100644
--- a/src/modules/5s/types/tools.ts
+++ b/src/modules/5s/types/tools.ts
@@ -1,53 +1,47 @@
 import { Tool } from '@/modules/5s/types/workshop'
 
 export const tools: Tool[] = [
-  { name: 'Card Printer', id: 'card-printer', reference: '', cooldown: 5 },
-  { name: 'Miniature Mold', id: 'mini-mold', reference: '', cooldown: 15 },
-  { name: 'Dice Engraver', id: 'dice-engraver', reference: '', cooldown: 10 },
-  { name: 'Cutter', id: 'cutter', reference: '', cooldown: 8 },
-  { name: 'Rulebook Designer', id: 'rulebook-dzn', reference: '', cooldown: 6 },
-  { name: 'Box Assembler', id: 'box-asm', reference: '', cooldown: 4 },
-  { name: 'Component Painter', id: 'painter', reference: '', cooldown: 12 },
-  { name: 'Lamination Machine', id: 'laminator', reference: '', cooldown: 7 },
+  { name: 'Card Printer', id: 'card-printer', reference: '' },
+  { name: 'Miniature Mold', id: 'mini-mold', reference: '' },
+  { name: 'Dice Engraver', id: 'dice-engraver', reference: '' },
+  { name: 'Cutter', id: 'cutter', reference: '' },
+  { name: 'Rulebook Designer', id: 'rulebook-dzn', reference: '' },
+  { name: 'Box Assembler', id: 'box-asm', reference: '' },
+  { name: 'Component Painter', id: 'painter', reference: '' },
+  { name: 'Lamination Machine', id: 'laminator', reference: '' },
   // Additional realistic tools
   {
     name: 'Shrink Wrap Machine',
     id: 'shrink-wrap',
-    reference: '',
-    cooldown: 9
+    reference: ''
   },
   {
     name: 'Punch Board Cutter',
     id: 'punch-cutter',
-    reference: '',
-    cooldown: 11
+    reference: ''
   },
   {
     name: 'Sticker Applicator',
     id: 'sticker-applicator',
-    reference: '',
-    cooldown: 6
+    reference: ''
   },
   {
     name: 'Foil Stamping Press',
     id: 'foil-stamp',
-    reference: '',
-    cooldown: 13
+    reference: ''
   },
   {
     name: 'Scanner',
     id: 'scanner',
-    reference: '',
-    cooldown: 5
+    reference: ''
   },
   {
     name: 'Instruction Sheet Folder',
     id: 'sheet-folder',
-    reference: '',
-    cooldown: 7
+    reference: ''
   },
-  { name: 'Plastic Bag Sealer', id: 'bag-sealer', reference: '', cooldown: 4 },
-  { name: 'Barcode Printer', id: 'barcode-printer', reference: '', cooldown: 8 }
+  { name: 'Plastic Bag Sealer', id: 'bag-sealer', reference: '' },
+  { name: 'Barcode Printer', id: 'barcode-printer', reference: '' }
 ]
 export type NonEmptyArray<T> = [T, ...T[]]
 
diff --git a/src/modules/5s/types/workshop.ts b/src/modules/5s/types/workshop.ts
index 5f04901..7708baa 100644
--- a/src/modules/5s/types/workshop.ts
+++ b/src/modules/5s/types/workshop.ts
@@ -4,7 +4,6 @@ export type Tool = {
   name: string
   id: string
   reference: string
-  cooldown: number
 }
 
 export type Task = {
diff --git a/src/modules/5s/utils.ts b/src/modules/5s/utils.ts
index a1c350e..7fe521f 100644
--- a/src/modules/5s/utils.ts
+++ b/src/modules/5s/utils.ts
@@ -22,3 +22,7 @@ export const toDuration = (startDate: Date, endDate: Date = new Date()) => {
 
   return parts.join(' ')
 }
+
+export const toSeconds = (start: Date, endDate: Date): number => {
+  return Math.floor((endDate.getTime() - start.getTime()) / 1000)
+}
diff --git a/src/utils.ts b/src/utils.ts
index 78a9187..40ba381 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -21,6 +21,9 @@ export const getMean = (data: number[]) =>
 export const getRound = (data: number, total: number) =>
   (Math.round(100 * (data / total)) / 100 || 0).toFixed(2)
 
+export const getNatural = (data: number, total: number) =>
+  (Math.round(100 * (data / total)) / 100 || 0).toFixed(0)
+
 export const shuffleArray = <T>(array: T[]) => {
   let currentIndex = array.length,
     randomIndex
@@ -37,6 +40,13 @@ export const shuffleArray = <T>(array: T[]) => {
   return array
 }
 
+export const accumulate = (array: string[]) => {
+  return array.reduce<Record<string, number>>((acc, toolId) => {
+    acc[toolId] = (acc[toolId] || 0) + 1
+    return acc
+  }, {})
+}
+
 export const popNElement = <T>(array: T[], numberOfElements: number) => {
   const poppedElements: T[] = []