1.This product emphasizes on nature, flow and randomness to mimic real river stones. 3 different sizes of river stone will suit the needs of growing children; as well as allow as many free style routes designs as possible.

2.To add more challenge to the game, each stone is designed to have three directional points marked by the numbers 1, 2 and 3. When trying to pile the stone on top of the other, the users not only have to pay attention to the size, they also have pay attention to the direction of the stone and rotate it until all directional points match before they can successfully complete the task.

3.It is highly recommended to take shoes and socks off when playing because it not only increases the safety and stability of the game; it also ensures the exposure of the foot sole to the textured stone surface to stimulate sensory development.

Recommended for children ages 3 and older.