Happy Cube® Smart Cube® Puzzles - Set of 6

Challenge the mind to solve tricky 3-D puzzles.
 
Easier, larger version stimulates toddlers in developing 3-D thinking as well as physical emotional, intellectual, and social development
All puzzles are the same model with only 2 different kinds of puzzle pieces
Features 30 puzzle challenges in 4 levels on 15 cards
Assemble 6 soft, EVA foam pieces into a 3-D cube
Each of 6 colored puzzles get progressively harder with each color
Puzzles can be combined with each other to make unique 3-D constructions
Pieces come in a 2-D frame
Cube size: 2 in. x 2 in. x 2 in.
Frame size: 5-7/8 in. x 4-5/16 in. x 3/8 in.