When an object has an exit animation applied and you have a trigger to change the state to hidden, that should trigger the exit animation.
However, a challenge is that the object will exit when it gets to the end of the timeline. So you need to pause the timeline to not trigger the exit animation.
Without seeing the interaction, here's how I'd design it:
- puzzle shows
- click to question
- use a t/f variable on question slide; change
- answer question; change variable
- when returning to puzzle slide, change the state of the puzzle piece to hidden when timeline of slide starts on condition that var = X
