Set that includes triangles, squares and added pentagons in rainbow colors. 62 pieces total: 20 triangles, 30 squares and 12 pentagons. Neodymium Rare-Earth Magnets for guaranteed connectivity. ABS plastic magnets conform to CE, ASTM, and EN71 Compatible with all Magformers shapes and accessories. ABS plastic magnets conform to CE, ASTM and EN71 You can create a variety of models with the pentagon added. Instant connection! Instant fun!