You’ll be proud to have built this orrery with its eight planets revolving around the sun thanks to gears of different sizes to control the speeds of the stars to simulate different revolutions. Turn the crank to rotate the planets and light up the Sun in the center.
(planets, revolutions and distances are not an accurate representation of reality).
Strong and durable basswood.
Recommended for ages 14 and up (or in multiple sessions with adult assistance, requires patience, to follow instructions precisely and dexterity (small parts)).
Assembly time: about 7 hours
Size when assembled: 40*40*35 cm