Creative Building Logic Game Block By Block Expands Your Spatial Problem-Solving Skills As You Combine Seven Puzzle Pieces To Construct Three-Dimensional Structures Depicted On The 60 Challenge Cards. The Puzzle Pieces Are The Same As The Famous Soma Cube Of The 1970S. This Logic Game Is Tough And Very Fun! Features: 60 Challenge Cards With Hints And Solutions, 7 Puzzle Pieces, Game-Go Bag And Instructions Type: Brainteasers Skill: Logic And Problem Solving Age: 8 And Up Players: 1 Player Box Size: 20. 5 X 13. 5 X 4. 5 Cm .