1. Weplay Twinkle Stones is a 2-in-1 balance training product which can be used as a set or separately.
2. Both the Stars and the Islands can be placed on both sides. Dome side down provides more stability during the game while dome side up increases the difficulties.
3. The imprinted 1 to 5 numbers on the Stone are designed for the Ball rolling activities.
4. The Ball can be stored inside the Stones between uses.