Ready to take Mental Blox to the next level? This brain-boosting, make-you-think, point-of-view game challenges players to build 3D puzzles from different visual perspectives. 40 double-sided cards feature the puzzle on the front and the solution on the back. With three levels of play, this puzzle game is a sure way to sharpen spatial visualization, critical thinking, and problem-solving skills. Includes 15 blocks and an activity guide. Longest piece: 3" x 4-1/2". For 1+ players. Ages 5+.