◆ Thank you for viewing! We will handle any initial defects. ◆ Shipping to Hokkaido, Okinawa, and remote islands requires additional postage. Please comment in the comment section if you are in these areas. ◆ Product Description ◎ This is a set of 20 pieces, round and square! ● Many benefits! Balance beam to train your core Improves balance and flexibility! Also recommended as an educational toy. Develops concentration and attention, which are important for life. Recommended for indoor exercise on rainy days. ● Durable construction Can withstand approximately 100kg, so parents and children can play together. 7cm height with no risk of falling! ● Customize freely Each piece can be connected freely! Children can improve their creativity by assembling them themselves. Beginners such as infants can also use one piece at a time. * Please use under adult supervision. ● Stimulates the feet with uneven processing Cute uneven processing that stimulates the soles of the feet. Not too painful, so even young children can enjoy it. ● Comes with a non-slip feature ● Popular in nursery schools! After playing for about 15 minutes, you'll be drenched in sweat! Supports brain development! Improves balance! Type... Balance stones