Wooden Marble Run Spiral Electric Motorized 3D Puzzle Kit - DIY Roller Coaster Mechanical Model for Adults & Teens (13x13) - Fun STEM Building Toy for Family Game Night & Educational Play

Model Size: 13 x 12.4 x 12.7 inchesNumber of Pieces: 558* 4 AA 1.5V Batteries requiredA detailed video guide of the assembly process is available online. Meet the Spiral Marble Run electric version - one of the most gorgegous, intricate and complex wooden puzzles in the Wood Trick line Are you passionate about unusual puzzles and intricate mechanisms? Love to build things with your hands and create exciting objects? Then the Spiral Marble Run from WoodTrick is just what you need! It combines a perpetual motion machine, an unusual construction set, and a fascinating puzzle that you will have a lot of fun spending time with! The first thing you have to do is to assemble the model. The assembly process will take about eight hours, but don't worry! You will find detailed instructions with pictures in the delivery set. This will help you assemble the Spiral Marble Run without any problems the first time. Then you can go straight to using the Spiral Marble Run. Our engineers were inspired by the motion of cosmic bodies when they created the design and principle of this prefabricated model. Our little perpetual motion engine has a closed-loop motion system. The first part resembles a paw that lifts the balls to their starting point. The second part is a stepped maze of three tracks on which the balls descend. It comes with nine unique balls that you can launch along the tracks. The model runs on batteries. All parts for Spiral Marble Run are entirely safe for your health and the environment. We make all the components for the prefabricated model out of polished plywood, which is also very pleasant to the touch. You can give such a prefabricated model to a friend who is a fan of unusual puzzles or buy one for yourself. You will have a great time building Spiral Marble Run and playing with it after the assembly! Unleash the Magic of Spiral Marble Run: Inspire Creativity, Engage Young Minds! General recommendations: - use sanding (included) to remove burrs from the gears; - be sure to thoroughly smear the wax (included) on all the gears; - be delicate when removing the constructor elements from the wood board; Locomotive R17 Gun AR-T Hot Rod Car Space Spider Cyber Gun Pickup Truck Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 4.6 out of 5 stars 2,010 4.5 out of 5 stars 727 4.6 out of 5 stars 1,804 4.4 out of 5 stars 895 4.0 out of 5 stars 332 4.6 out of 5 stars 629 Price $60.95$60.95 $54.95$54.95 $30.95$30.95 $43.95$43.95 $32.95$32.95 — no data Assembly Time (estimated) ≈ 8 hours ≈ 6 hours ≈ 4 hours ≈ 6 hours ≈ 4 hours ≈ 3 hours Assembled Size 34.25*7.08*5.11 in 23.23*3.15*8.27 in 10.43*2.76*4.14 in 9.84 *12.6* 4.92 in 9.45*1.37*5.70 in 8.27*3.35*3.30 in Quantity of parts 405 496 280 245 122 276 Glueless Assembly ✓ ✓ ✓ ✓ ✓ ✓ Wood Trick is about passing the craftsmanship and knowledge from generation to generation, near the family fireplace at home or at the grandfather's old wooden table, full of memories. It is no secret that puzzles make a person’s brain see things in terms of parts and wholes. Wood Trick 3D Mechanical Models appeal to people from different age groups. enhances creative thinking skills; promotes critical thinking skills; develops problem-solving and reasoning skills. You will actually build your own Marble Run wooden model from scratch! No words can fully describe the satisfaction upon completing a full set! Building one model with the entire family creates a great bonding experience for each family member. “Wood Trick” constructor kits will bring the family together by keeping children away from eye-straining tablets, and instead promoting comprehensive brain development. This development is achieved by introducing children to the (fun)damentals of mechanics, cultivating patience and attention, promoting fine motor skills, and encouraging imaginative artistic thinking. Complexity of assembly: Difficult Assembly time: 8 hours Quantity of parts: 558 wooden kits Materials: high-quality natural plywood; no glue required. Model size, l*w*h: 13 x 12.4 x 12.7 inches Recommended Age: 14 years and up