-3D MAGNETIC BLOCKS - The Original and Authentic Magformers. 30 magnetic geometric shapes. 18 squares and 12 triangles in rainbow colors. Create in 2D and pull up in 3D. Build without limitation -CREATIVITY - Step-by-step educational ideas booklet with ideas and follow-up instructions. Infinite open construction possibilities. Each square has a 2.5 '' base -MAGFORMERS Difference - Patented "bearing magnet" technology means every shape always sticks. Frustration-free construction. Over 40 shapes and hundreds more accessories than any brand of magnetic construction on the market. All Magformers are supported