ROKR Marble Run Wooden Model Kits 3D Puzzle Mechanical Puzzles - LG501

ROKR Marble Run Wooden Model Kits 3D Puzzle Mechanical  for Teens and Adults (Waterwheel Coaster) 

About this item

• 【Waterwheel Coaster】Gorgeous excellent product.Build your own working roller coaster model made of real wood! The Coaster is full of dips and turns with some engineering and physics thrown--so once you build your coaster, you can run marbles through it!
• 【Operation Ways】With the crank of the handle, fire up the gears and watch as the waterwheel coaster carries the marbles up to the top and releases them down the track.This gave you the opportunity to explain gravity, gears, designs, machines, engines and many other concepts.
• 【Full Set】It is a self assembly model kit and everything you need comes in the package, you do not need any additional materials.Do not be afraid to get confused in so many details,You just need to assemble it step-by step with our English instruction.Do it with Patience and confidence.
• 【Meaningful Education Project】Handcraft Model can open a new world of creativity,knowledge and pleasure.It is a good idea to spend a pleasant time with your family and friends together, enjoying the leisure time and relaxing yourselves. Change bored time at night to a special moment for you and your families.