KID’S FRIENDLY MATERIAL: Design with Eco-friendly color to protect kids’ hands, toys are non-toxic, lead- and phthalates-free, made with natural wood colored with water-based paint. SORTING STACKING TOY: Montessori toy is a fantastic sorting and stacking set for 3 years above Kids. It helps in development of fine motor skills, hand-eye coordination. It helps in learning Numbers, Fishing, Alphabets, and Shapes and Vehicles, Counting, Calculating and developing Logical thinking skills in your kids