[30 Pieces] TurboTech&reg; Magical Magnet Building Construction Set (Rainbow Color) This magnetic construction set comes with 12 triangles, 18 squares, total 30 pieces. Entertaining and educational for your kids, great for brain development. Toxic free, high-quality ABS plastic, Geomagnetic material, round edge geometry shapes conform to CE, ASTM and EN71. Attractive colorful Geometric Shapes to help kids to improve Cognition, Basic Math and Science concepts, a capacity for Creative, Divergent thinking Play group sessions encourage a child to test spatial relationships and mentally rotate objects in the mind's eye. Such practice might lead kids to develop superior spatial abilities