3 Geometric Shapes and 8 Carnival accessories Step-by-step idea booklet with builds from all of Rainbow range. Compatible with all MAGFORMERS shapes and accessories Neodymium Rare-Earth Magnets for guaranteed connectivity BPA Free HQABS Plastic Bring your circus ideas to life and become a ringmaster with the award-winning Carnival set. Learn to build a Ferris wheel, Carousel and other great circus rides! Add accessories to your geometric shapes and design whirling, spinning creations. Magformers align perfectly with STEM education and allow kids to actively learn about kinetic motion, structural building and shape recognition.