1. ROKR 3D Puzzles for Adults 2. Wooden Marble Run 3. 3D Wooden Puzzles for Adults & Kids Ages 12-14 4. Wood Puzzles for Adults 5. Model Kits for Adults 6. STEM Projects for Kids Ages 12-16 7. Home Decor Hobbies for Men & Women

ROKR is dedicated to providing creative and interesting wooden assembly toys for kids and adults. The company's products include mechanical gear items, marble run sets, steampunk music boxes, solar energy products, and more. With an excellent Research & Development team, ROKR continuously introduces awesome new designs that have become quite popular worldwide.

This classic [ROKR Wooden Marble Run] is a great addition to any collection. Crafted with traditional wood materials and featuring a retro waterwheel design, it takes 5-6 hours to build and is a wonderful 3D puzzle for adults and older kids.

[Full of Details]: The marble run works in tandem through a series of gears. By turning the hand-crank, metal marbles will travel along two tracks, allowing you to see multiple parts working together in the process. This intricate design will take your puzzle-solving experience to the next level.

[Impressive Gift Idea]: 3D wooden puzzles are not a common sight, making them suitable for people of all ages. With its attractive design, this marble run set makes a great home decor item and an ideal gift for adults or men and women who love puzzles.

[Quality Assurance]: ROKR utilizes high-latitude selected basswoods and laser-cut technology to ensure each piece has an error of less than 1/200 mm. Spare parts are also included, so you don't have to worry about breaking any components during assembly.

[Instruction]: A detailed how-to booklet is provided for this 3D puzzle, featuring easy-to-follow, step-by-step tutorials. Each wooden part is laser-marked with a unique code, making it a suitable adult wooden model kit for beginners.

[Service]: ROKR offers free replacement of any damaged parts. If there is any problem during assembly, the company will help check and provide guidance. Customers can simply contact ROKR, and they will receive a reply within 12 hours.

The [Product Description] outlines the contents of the marble run package:

• Beautiful packaging
• Pre-cut wood sheets
• Steel balls and accessory tools
• English instruction manual

To build the marble run, [STEP 1] is to follow the detailed steps in the English instruction manual, which will allow you to quickly construct the wooden art craft set.

[STEP 2] involves easily popping the individual pieces out of the pre-cut wooden boards.

[STEP 3] entails turning the hand-crank to roll the balls along the track, allowing you to enjoy building your own marble run set.

The [Marble Run Collection] provides the following specifications:

• Model No.: Marble Parkour LG501
• Recommended Age: 14+
• Installation Time: 6 hours
• Number of Parts: 254 pcs
• Model Size: 10 x 9.3 x 7.3 inches
• Packaging Size: 6.5 x 9.1 x 9.9 inches
• Certificates: EN71,-1,-2,-3, ASTM F963

product information: