Robotime Marble Roller Coaster Clockwork Mechanical 3D Puzzle Game Woodcraft Construction Kit Adult Craft Set Puzzle Present (Lift Coaster)

• Quality Self Propelled Marble Roller Coaster-The laser-cut technology enables the piece operates with its clever mechanical clockwork operation. Hand crafted by the finest master craftsmen using only time-honoured traditional methods and techniques. These high quality model kits are self propelled clockwork, no battery needed. Some wax and the tools provided will make them move smoothly.
• Creative Activity for Brain and Memory These 3D wooden Mechanical Clockwork Puzzles require minimum of 4 hours of DIY full of fun. The puzzle activities have been scientifically proven to improve memory, relieving stress, improve visual-spatial reasoning skills and increase IQ.
• Perfect Gifts for Puzzle Lovers-Excellent gift for puzzle lovers to enjoy wonderful puzzle solving experience and creative design. Recommend 14 Year Old and up, small parts not for children under 3. Package includes everything you need to make this amazing model. All it requires is your time and patience. An enchanting fantastic experience to enjoy and you will be thrilled when the project is finished. Its like an Old Time Manual Toys, NO BATTERIES NEEDED. bring out the imagination for our youn
• Package Dimensions: 5.2 L x 31.9 H x 23.7 W (centimeters)

Product Description Robotime offers a world first 3-D Assembly Puzzle Technology. Robotime now makes over 400 DIY wooden puzzle items. Our Goal is to build DIY fun for our customers. For this Mechanical Clockwork Model Series, You will enter into an Amazing World and enjoy Mechanical DIY Fun. Boys, Teenagers, or Adults will Fall in Love with it. You can also have a sense of accomplishment when you complete this Model Kits. Help Children Exercise their Hand-eye Cooperation, Improve Impatience and help them focus on one thing, much better than a phone or a video game. If you love puzzles, DIY project, love dollhouse, or any other craft, construction kits, these will be project waiting for you to complete. Directions Assembly instructions included