Wooden Puzzle Buoyancy ball Model DIY Kid Science Air Buoyancy Ball Experiment Toys STEM Education Teacher

Montessori Puzzle Aerofloat Model DIY Kid Science Air Buoyancy Ball Experiment Toys STEM Education Teacher

Material: wood

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 batteries are not included.

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