Google "orrery" because you'll be building one, winding it up, then watching planets orbit the sun at their own speed! Explore gear mechanics as you click together the colorful plastic parts. Learn some interesting facts about the solar system including the order of the planets, their various shapes and sizes, and their speed of orbits around the sun. A fascinating manual guides the flight.

From Thames & Kosmos, for ages 6-12 yrs.

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