The original and authentic Magformers magnetic geometric shapes. 12 Rainbow Diamonds. Perfect for brain development, critical thinking and education. Step-by-step educational idea booklet with follow along ideas and instructions. Neodymium rare-earth magnets for guaranteed connectivity. Compatible with all Magformers shapes and accessories. Super strong, safe and durable BPA-free High Quality ABS plastic. Conforms to CE, ASTM and EN71 Ages 3 years and up. Build with 12 Rainbow Diamonds, the perfect addition to your Magformers collection. Each geometric shape contains magnets that never reject, so youll always hear the Magformers click. When playtime is over, use the magnetic power to simply stack and store. Perfect for STEM education and learning.