Happy Cube Puzzle Concept
The Happy Cube Puzzle is a genious and simple concept. Puzzle a cube with the 6 foam puzzle pieces, then put them back into the frame. Once you get the knack of it, you can even use all the puzzles to make your very own 3D+ puzzle constructions. Get creative and astound colleagues, friends and family with your impressive puzzle masterpieces.
Do the test... How flexible is your brain?