DEVELOPS LEARNING SKILLS: The bright-colored rings and visually numbered tiles make it easier (and more fun) to learn numerical skills and improve fine-motor abilities. 100% SAFETY GUARANTEE: Our toys are eco-friendly non-toxic lead- and phthalates-free colored with water-based paint. Pieces are light hand-polished and have no sharp edges or splinters. Certified by the USA and Europe. Manufacturered by Bimi Boo. IMPROVES FINE-MOTOR SKILLS: Playing with numbers encourages logic cognitive abilities and fine-motor skills. PREMIUM QUALITY: Toys are made of high-quality materials; they are long-lasting and intended to entertain many generations of children. MULTIPLE FUNCTIONS: Can be used educationally to learn numbers develop fine-motor skills or increase childrens creativity logic and imagination.