- Mental gymnastics
This is a really fun and challenging puzzle that will really make you think if you want to solve its secrets! With 12 different pieces and pre-printed problems, it is up to you to figure out the puzzle. It's more difficult than it first appears, so start at level 1 and see how high you can go!
The accompanying included booklet has pictures of 111 different puzzles to solve divided across 8 different difficulty levels