ROKR 3D Puzzle Wooden 3D Wood for Children Adults Educational Ages Roller Coaster Movable Model Illustrated Manual Present Gift DIY Handmade Kit Toy

[Enjoyable for both children and adults] Although it is made of wood, it has a metallic feel. It features a beautiful and sophisticated sci-fi style finish. As a toy, three-dimensional puzzles that predict gears to turn, balls to climb, fall, and spirally accelerate when you turn a handle are captivating to both children and adults. [It's bliss to be able to enjoy it thoroughly] For those who like DIY and the fun of making things, it's a blissful time to spend time slowly assembling the precise parts of a 3D puzzle little by little, such as on vacation. [The sense of accomplishment you get when you complete it is addictive] The difficulty level is a little high, but after spending several hours concentrating on assembling it, the sense of accomplishment and success you experience when you finally get it done will become addictive. [Highly recommended for interior decoration] The three-dimensional puzzle features an elaborate and stylish finish and a size that makes it stand out. The interior creates a luxurious atmosphere. And the warmth of wood easily blends into the room. So it's perfect as a gift. As a toy, when you turn the handle, you expect the gears to turn, the ball to climb, fall, and accelerate in a spiral. [Brain Training] Children can develop their spatial awareness while assembling puzzles in three-dimensional space. Also, your fingertips will be strengthened and you will be able to concentrate. Brain exercises for adults too! [No special tools or connecting agents required] No adhesive or tools required, so you can easily assemble. It also comes with illustrated instructions, so even beginners can try it without worry. [Please note:] This product is for ages 14 and over. Children should assemble under the guidance of an adult. [Maintenance:] 1. Keep this product away from fire and water. 2 Do not wipe this product with chemicals such as alcohol, ammonia water, or window cleaner. 3 Use a clean, soft cloth to clean this product. [Note:] 1. Please take out the parts according to the instructions. Please keep the small parts removed from the board so that you do not lose them. 3.We have spare parts for some parts that break easily. 4. Please keep the assembly instructions. 5.The parts diagrams in the instructions are for illustration purposes only and may differ from the actual parts. 6. If the parts break, please glue them with glue. Rokr Hand Crank Marble Parkour Stress Relief Toy