1. The projected rainbow circle with lights is more fun, more changeable, better looking, and more magical
2. Stimulate baby's color vision
3. It can change a variety of patterns and a variety of play methods, which is beneficial to exercise the flexibility of the baby's hands
4. The automatic contraction function of the rainbow circle can train children's hand coordination ability, and the colorful colors are also very popular with children.
5. Use 3 small button batteries
6. Dimensions: 5.2 x 5.5 cm