This STEAM Big Solar System Kit includes:
10 polystyrene balls (deco foam) in an assortment of sizes. Each are numbered for easy reference.
2 x Polystyrene Rings (deco foam)
Wire
Instructions
 
Sun = 9.5cm Ball.
Mercury 3.5cm Ball.
Venus 4.5cm Ball.
Earth 4.5cm Ball.
Mars 3.5cm Ball.
Jupiter 7.7cm Ball.
Saturn 4.7cm Ball + 9.7cm Ring.
Uranus 5.7cm Ball.
Neptune 4.7cm Ball.
NB There is a spare ball and ring which can be used for Pluto, decorate as a moon, a comet, or a model into a flying saucer!