Brainteaser Puzzles - mechanical puzzles - sliding block puzzles

The big square block is always placed in the upper left hand corner; the other 11 blocks can be arranged around the big square block in 12 different ways. Then slide the big square from the upper left to the lower right without lifting, turning or removing any of the other blocks! The easiest puzzle requires 43 moves, the most difficult 263! What a way to encourage creative thinking and problem solving, while developing spatial relations skills! Handcrafted oak game set with 12 hardwood oak blocks measures 7-3/4x9.

This colorful brainteaser puzzle has only six interlocking pieces but it takes 69 different moves to take it all apart. Includes a 40 page step-by-step solution book and easy-to-follow assembly instructions. Ages 8 and up.

This handcrafted oak Tangram puzzle consists of only 7 pieces cut from a square: 2 large triangles, 1 medium-sized triangle, 2 small triangles, 1 square and 1 lozenge. Try to use all 7 pieces to create alphabet letters, or use your imagination to build animals, people, things -- whatever! Game set includes a booklet with 90 images you can build. It's a great way to develop spatial relations skills. Store blocks on any table in a handsome hardwood tray! Game set measures 7-1/2x7-1/2, including 7 hardwood blocks. For 1 player.

This puzzle uses the ancient concept of tangrams: recreate an image using all seven of the shaped playing pieces. This set features 27 cards with 54 images and two sets of playing tiles (one red, one blue), packed neatly in a sturdy playing case. Play by yourself or play against another using both sets of pieces. Ages 5 and up