Have fun playing with geometrical concepts of perspective with Perspecto, part of the Brain Builder Series. Players use the enclosed GeoBlocks to construct 3D structures based on 2D images. Easy at first, the puzzles become progressively more challenging, inviting players to use their imagination and creativity. Suitable for solitary, group, or free form play.Details:Includes 18 GeoBlocks and 1 bookletFor 1 playerFor ages 8 and up