6 Features: -Parent's Choice Award Winner.-Made in the USA.-Safe and ethical production. Meets all toy safety regulations, lead and phthalate free.-Builds pattern recognition skills which are key to learning ability.-''Versatility Fractiles' elegant geometry allows you to create endless varieties of imaginative and beautiful designs. Designs range from simple to complex. Spend tireless hours discovering new levels of play and design.-Use on the Fridge or other magnet receptive surface.-Wide Appeal Fractiles Fans range from young children to seniors, from those with no math background to advanced math researchers. A great intergenerational activity!.