Apricity 3D Wooden Puzzle for Adults [Assembly Roller Coaster] with Japanese Instructions and Building Videos. Craft Kit for Easy Building.

[Product Contents] Assemble a roller coaster using 73 parts and 64 screws! Two AA batteries are required. A screwdriver is included, so you can get started right away. A Japanese instruction manual and a video guide for building the product will be included. Even parents who aren't good at crafting can enjoy the fun of building by watching the video. This product contains small parts. Please store and build under parental supervision. [Point 1] While enjoying the fun of building, children will naturally develop concentration while using their hands. It also fosters children's ability to work carefully and patiently, encouraging independence. [Point 2] There are many small parts, and some steps may be a little difficult. That's why the joy and sense of accomplishment upon completion will be so great. Small successes are said to boost children's self-esteem. [Point 3] During the building process, it is important to visualize the finished product while assembling the parts. Using both the mind and hands simultaneously trains the brain and is expected to improve thinking skills. Recommended age: 8 years and up [Point 4] Because it is made of wood, you can freely color it with paints. Use your child's free imagination to create a one-of-a-kind roller coaster!