Looking for the educational math geometric game, you arrived to the right place. This well known and marvelous Brain teaser puzzle game, contains 2 of the Soma cube puzzle, each has the 7 nonidentical soma wooden pieces. The original soma cube, was invented by a Danish mathematician, Piet Hein in 1936. Seven pieces made out of unit cubes must be assembled into a 3×3×3 cube. The pieces can also be used to make a variety of other 3D shapes. There are 240 different ways to build a solid cube with those 7 pieces. Arches , walls , plinths, towers, ships, etc. can also be created from the Soma Cube. Soma Cube addicts claim that after gaining some familiarity with the pieces, they speed up their solving enormously. In this great game version, we offer 50 playing card with building shape challenges on one side, and the solution on the other side of the card. Since this game offer 2 sets of the 7 pieces Soma, there is an option to use it as a 2 player game, when a playing card is pulled out, and each of the players try to complete the shape first, without looking at the solution. The puzzle comes with wooden box and matching lid, for safe keeping of the pieces and cards. Providing children and adults with a Soma Cube gives them an excellent way of nurturing their grasp of spatial relationships. The seven pieces that go into the Soma Cube represent all the ways in which three or four cubes can be arranged other than in a straight line. Great gift all puzzle lovers age 13 and adults.