Autoark 30 Pieces Magnetic Tiles Building Blocks for Kids,Magnets Building Set Early Development Construction Toys,AT-004 ABS plastic magnets,conform to CE,ASTM and EN74 Set includes 30 building pieces:12 triangles and 18 squares,each magnetic tile block has different colors on each side-fun for stacking.Creates your own designs or try one of the design patterns in the included guidebook,the set also comes with an exquisite gift box packaging This works well for educational purposes as well as fun,Attractive colorful Geometric Shapes to help children acquire strong sense of color,fun and easy to build anything they would like,Perfect for both solo and cooperative play Tiles are compatible with Autoark 30 Pieces building blocks and other popular magnetic building toys,made with extra strong and high quality magnetics and child-safe curved corners You will be 100% satisfied with our product!Autoark is so confident you'll love our products,if you're not completely satisfied you'll be offered a prompt refund or replacement,no questions asked