After the fun of building this wooden roller coaster, watch the balls ride your construction! You’ll be mesmerized as you follow the marbles go through the obstacles and mechanisms activated by the moving gears.
Unique, original and a stimulating gift for neurons and to practice manual dexterity! The obstacle course includes an elevator, slides, rails, a rail switch and a hand crank to make it move!
- Size of assembled model: 10 x 9 x 8
- 219 pieces of wood and many metal balls
- 14 years and older
- Includes step-by-step instructions
- Construction without glue nor cuts
- About 4 hours of assembling required