How to play / support: Which planet rotates in which orbit around the sun? Questions can be answered very clearly with the inflated planets. The models can then be hung on hooks on the valve in the ceiling. Contents / material: 11 parts with hooks made of sturdy, washable plastic. Including a booklet with lots of information about the planets and a practical pump. Dimensions: sun Ø approx. 58 cm, earth Ø approx. 19 cm, moon Ø approx. 13 cm