【Waterwheel Coaster】 Magnificent, excellent product. Build your own working wooden waterwheel model! The coaster is full of dips and turns with some engineering and physics manipulations. So, once you build your coaster, you can run marbles on it!

[Operation Ways] Using the handle's crank, activate the gears and watch as the roller coaster propels the marbles upwards and releases them onto the track. This provides an opportunity to explain gravity, motors, and many other concepts.

【Full Set】This is a DIY model kit, and everything you need is included in the package. You don't need any additional materials. Simply assemble it step by step using our English instructions. Note: Wax is not included in the package due to shipping restrictions.

【Meanful Education Project】Handcraft Model can open up a new world of creativity, knowledge, and fun. It's a great way to spend quality time with family and friends, enjoying free time and relaxing.

【Wonderful Gifts】This is an ideal and creative gift to surprise friends and family for birthdays or Christmas. A great choice for someone who enjoys DIY projects. It looks beautiful and attractive on your table or display case, making your home more beautiful.