Tumi Ishi blocks are small chunks of wood, cut kind of like a gemstone. Basically the idea is you are supposed to stack them all up. Tumi ishi Wood Balancing Stones for Baby is a new take on the classic wooden building block. Unlike standard square blocks, these blocks have many sides making them more challenging to stack Type: Block Set, Other Classic Toys Material: Wood Size: 3-6cm Color: Natural color Logo: Customized Logo Age Range: 0 to 24 Months, 2 to 4 Years, 5 to 7 years, 8 to 13 Years,... Usage: Relaxing, Educate, Simulate brain development for kids Packing: Bag/carton
