※ Shipping after December 17th will incur a higher shipping cost. Retail price: 4680 yen The inside is hollow, making it very light and easy for even small children to move and set up on their own. They can also be stacked, designed to make tidying up fun as part of play. In addition, the parts that touch the floor have non-slip grips, ensuring safe use without slipping or shifting. Usage scenarios: Outdoors, indoors, kindergartens, educational facilities How to play: Place the stones alternately, matching the child's stride, and arrange them without much space between them, allowing children around 2 years old to play. (Ages 2-5). Space the stones apart and arrange them randomly. The more distance there is, the more difficult it becomes, developing a sense of balance. Also, use a color wheel to jump according to the colors. I opened it once to check the contents.