HIGH QUALITY: This toy set is sturdy and easy to pick up and build. Toy blocks come with storage box makes it easy and painless to put the toys away when not in use! CREATIVE: The STEM learning set to help children build a solid foundation in Science Technology Engineering and Mathematics at early age. Manufacturered by cossy. FLEXIBILITY: Each ball has 26 connecting points allowing it for a great flexibility in designing and our set comes with four different length connector pieces and squares& rectangles& long triangles & small triangles & wheels. SAFTY: Cossy meets all safety requirements and we offer a 30 day no question asked 100% refund after sale on our products. Recommended for ages 3 years and up. Good gift kids toy for 3+ year boys and girls! EDUCATIONAL: Highly recommend this for anyone who wants something fun and educational. It will definitely push the kids to be creative and put their imaginations to the test.