Specification:
Material: wood
Suitalbe age: over 5 years old
Product size: 8*5*12 cm (3.54*1.97*4.72 inches)

Feature: The product is composed of three small balls representing the sun, the earth and the moon.
Children can learn the relationship among three balls to improve their astronomical knowledge and stimulate insterest.

Note: the price is for 1 set. The batteries are not included.