Deltas Bordspellen, Kaartspellen & Dobbelspellen

Circles that swell, dots that start to dance, a five-legged elephant, a man who transforms into a princess... You won't believe your eyes when you look at the cards in this box. There are tons of optical illusions that will make you question everything you see! Take the challenge and discover on the back of each card why your eyes are actually deceiving you.