DALLASI absolutely love this, it's called an orrery, and it's a little mechanical model of our solar system. You can see the planets here, orbiting the sun as they would do in real life.

Read more below Best Model Rocket This model rocket is a 1:200 scale of the Saturn V rocket and can be launched up to 200 feet. It comes with a pre-packed parachute too.

An Egyptian astronomer called Ptolemy (AD100-168) described one of the earliest ideas for how the Solar System is structured. Ptolemy’s model and many earlier ideas of the Solar System had the ...