diff --git a/src/modules/5s/BoardGameWorkshop.vue b/src/modules/5s/BoardGameWorkshop.vue
index fdb872a..f36a588 100644
--- a/src/modules/5s/BoardGameWorkshop.vue
+++ b/src/modules/5s/BoardGameWorkshop.vue
@@ -1,13 +1,23 @@
 <script setup lang="ts">
 import { useBoardGameStore } from '@/modules/5s/board-game-store'
 import { tools } from '@/modules/5s/types/tools'
+import { toDuration } from '@/modules/5s/utils'
 import { ref, toValue } from 'vue'
 
 const userInput = ref('')
 const boardGameStore = useBoardGameStore()
+const duration = ref<string | null>(null)
+
+setInterval(() => {
+  duration.value = boardGameStore.start
+    ? toDuration(new Date(boardGameStore.start))
+    : null
+}, 1000)
 
 const submit = () => {
-  const lastInput = toValue(userInput)
+  const tool = toValue(userInput)
+
+  boardGameStore.craftWithTool(tool)
 
   userInput.value = ''
 }
@@ -17,9 +27,20 @@ const submit = () => {
   <div class="board-game-workshop">
     <aside>
       <h2>Tools</h2>
-      <ul>
-        <li v-for="tool in tools">{{ tool.name }}</li>
-      </ul>
+      <table>
+        <thead>
+          <tr>
+            <th>Tool</th>
+            <th>Alias</th>
+          </tr>
+        </thead>
+        <tbody>
+          <tr v-for="tool in tools" :key="tool.alias">
+            <td>{{ tool.name }}</td>
+            <td>{{ tool.alias }}</td>
+          </tr>
+        </tbody>
+      </table>
     </aside>
 
     <div class="main">
@@ -39,6 +60,25 @@ const submit = () => {
         <h3>
           {{ boardGameStore.currentBoardGame.name }}
         </h3>
+        <div v-if="boardGameStore.currentTask">
+          <h4>current task</h4>
+          <p>{{ boardGameStore.currentTask.name }}</p>
+          with tools:
+          <ul>
+            <li
+              v-for="tool in boardGameStore.currentTask.tools"
+              :key="tool.alias"
+              :class="{
+                'used-tool': boardGameStore.usedTools.some(
+                  (t) => t === tool.alias
+                )
+              }"
+            >
+              {{ tool.name }}
+            </li>
+          </ul>
+        </div>
+        <hr />
         <ul>
           <li
             v-for="part in boardGameStore.currentBoardGame.parts"
@@ -56,6 +96,12 @@ const submit = () => {
         </ul>
       </div>
     </div>
+
+    <aside v-if="duration">
+      <h2>Performance</h2>
+
+      <p>{{ duration }}</p>
+    </aside>
   </div>
 </template>
 
@@ -71,6 +117,7 @@ const submit = () => {
   min-width: 600px;
   display: flex;
   justify-content: space-between;
+  gap: 4rem;
 
   input {
     font-family: 'Google Sans Code', monospace;
@@ -80,6 +127,10 @@ const submit = () => {
   }
 }
 
+.used-tool {
+  color: green;
+}
+
 button {
   color: white;
 }
diff --git a/src/modules/5s/board-game-store.ts b/src/modules/5s/board-game-store.ts
index a37492f..c82dc3e 100644
--- a/src/modules/5s/board-game-store.ts
+++ b/src/modules/5s/board-game-store.ts
@@ -1,20 +1,131 @@
 import { boardGames } from '@/modules/5s/types/board-games'
-import { BoardGame } from '@/modules/5s/types/workshop'
+import { BoardGame, Part, Task } from '@/modules/5s/types/workshop'
+import { toDuration } from '@/modules/5s/utils'
 import { defineStore } from 'pinia'
 
 type State = {
   boardGames: BoardGame[]
-  currentBoardGame: BoardGame | null
+  currentBoardGameIndex: number | null
+  currentPartIndex: number | null
+  currentTaskIndex: number | null
+  usedTools: string[]
+  start: string | null
+  end: string | null
 }
 
-export const useBoardGameStore = defineStore('day', {
+export const useBoardGameStore = defineStore('board-game', {
   state: (): State => ({
     boardGames: [],
-    currentBoardGame: null
+    currentBoardGameIndex: null,
+    currentPartIndex: null,
+    currentTaskIndex: null,
+    usedTools: [],
+    start: null,
+    end: null
   }),
   actions: {
     initGame() {
-      this.currentBoardGame = boardGames[0]
+      this.boardGames = [boardGames[0], boardGames[1]]
+      this.currentBoardGameIndex = 0
+      this.currentPartIndex = 0
+      this.currentTaskIndex = 0
+      this.start = new Date().toISOString()
+    },
+    craftWithTool(tool: string) {
+      if (!this.currentTask) {
+        return
+      }
+
+      if (!this.currentTask.tools.some((t) => t.alias === tool)) {
+        return
+      }
+
+      this.usedTools = [...this.usedTools, tool]
+
+      if (this.usedTools.length === this.currentTask.tools.length) {
+        this.usedTools = []
+        this.increment()
+      }
+    },
+    increment() {
+      if (
+        !this.currentTask ||
+        !this.currentPart ||
+        !this.currentBoardGame ||
+        this.currentTaskIndex === null ||
+        this.currentPartIndex === null ||
+        this.currentBoardGameIndex === null
+      ) {
+        return
+      }
+
+      // Move to next task
+      if (this.currentTaskIndex + 1 < this.currentPart.tasks.length) {
+        this.currentTaskIndex += 1
+        return
+      }
+
+      // All tasks in part complete, move to next part
+      this.currentTaskIndex = 0
+      if (this.currentPartIndex + 1 < this.currentBoardGame.parts.length) {
+        this.currentPartIndex += 1
+        return
+      }
+
+      // All parts in board game complete, move to next board game
+      this.currentPartIndex = 0
+      if (this.currentBoardGameIndex + 1 < this.boardGames.length) {
+        this.currentBoardGameIndex += 1
+        return
+      }
+
+      // All board games complete
+      this.end = new Date().toISOString()
+      this.currentBoardGameIndex = null
+      this.currentPartIndex = null
+      this.currentTaskIndex = null
+    }
+  },
+  getters: {
+    currentBoardGame(): BoardGame | null {
+      if (this.currentBoardGameIndex === null) {
+        return null
+      }
+
+      if (this.currentBoardGameIndex >= this.boardGames.length) {
+        return null
+      }
+
+      return this.boardGames[this.currentBoardGameIndex]
+    },
+    currentPart(): Part | null {
+      if (!this.currentBoardGame || this.currentPartIndex === null) {
+        return null
+      }
+
+      if (this.currentPartIndex >= this.currentBoardGame.parts.length) {
+        return null
+      }
+
+      return this.currentBoardGame.parts[this.currentPartIndex]
+    },
+    currentTask(): Task | null {
+      if (!this.currentPart || this.currentTaskIndex === null) {
+        return null
+      }
+
+      if (this.currentTaskIndex >= this.currentPart.tasks.length) {
+        return null
+      }
+
+      return this.currentPart.tasks[this.currentTaskIndex]
+    },
+    durationToComplete(): string | null {
+      if (!this.start || !this.end) {
+        return null
+      }
+
+      return toDuration(new Date(this.start), new Date(this.end))
     }
   }
 })
diff --git a/src/modules/5s/utils.ts b/src/modules/5s/utils.ts
new file mode 100644
index 0000000..650c6e2
--- /dev/null
+++ b/src/modules/5s/utils.ts
@@ -0,0 +1,24 @@
+export const toDuration = (startDate: Date, endDate: Date = new Date()) => {
+  const diffMs = endDate.getTime() - startDate.getTime()
+
+  if (diffMs < 0) {
+    return null
+  }
+
+  const seconds = Math.floor(diffMs / 1000) % 60
+  const minutes = Math.floor(diffMs / (1000 * 60)) % 60
+  const hours = Math.floor(diffMs / (1000 * 60 * 60))
+
+  const parts = []
+
+  if (hours > 0) {
+    parts.push(`${hours}h`)
+  }
+  if (minutes > 0) {
+    parts.push(`${minutes}m`)
+  }
+
+  parts.push(`${seconds}s`)
+
+  return parts.join(' ')
+}