Komarov Toys Wooden Rocks Tumi Ishi Montessori Stacking Stones - Natural Wooden Building Blocks for Kids, Toddler Educational Toys - Perfect for Sensory Play, Home Decor & Classroom Learning Activities

Tumi - Ishi in translation from Japanese "Mountain of stones". A wonderful game according to the M. Montessori method for developing a sense of balance, coordination and perseverance. The principle of the game is to build a balanced pyramid, a vertical chain, a slide from irregular wooden polyhedrons of different sizes.Material: hard wood, coated with safe, durable water-based paint. The size of the pebbles is from 5 cm to 10 cm in length, in a set of 10 elements.