FIRMER CONSTRUCTION TOYS: Flexible materials Not easily breck . Invite budding engineers to get hands-on experience with the simple mechanics of gears. FREE YOURSELF: Keeping kids happily engaged with building blocks freeing yourself from baby-sitting. Manufacturered by RAINBOW TOYFROG. SAFETY GUARANTEE:high quality and non-toxic materialsbpa free lead free phthalates free. Lab test approved with astm certificate! We offer a 100% money back guarantee. GREAT VALUE: 70+ pcs set EDUCATIONAL TOYS: Every time you build.Create multi-dimensional shapes & forms using the star shaped pieces..Boosts fine motor skills while promoting reasoning and problem solving.