Cups · 4 cups
A ball hides under a cup and the cups swap places. Follow the ball.
See which cup the ball is under. Follow that cup with your eyes while the cups move, then tap it.
How to play
See which cup the ball is under. Follow that cup with your eyes while the cups move, then tap it.
What it trains
Keeping track of information while it changes: counting, mental arithmetic, following moving objects.