[Independent creation] DIY wooden movable model four-story broken rail manual educational version including tax and invoice

📙Buyers who need unified editing just need to leave a message in the order notes📙 🙏Things to know before assembly🙏 This kind of meticulous handicraft assembly is not an ordinary building block assembly, and it cannot be assembled by intuition alone. Watching the assembly videos or instructions several times can greatly improve the success rate of assembly. Please also be careful and slow when disassembling the parts and boards. , can you enjoy the fun brought by DIY handicrafts. 🔔Warm reminder🔔 There is a 10% error in the thickness of the board, so it may sometimes exceed the design range and make it difficult to assemble. It is recommended to use the included sandpaper for thinning and assembly at the same time to solve the problem. If the problem still cannot be solved, please send us a private message. Do not force assembly or use improper tools to avoid damage. 【product features】 1️⃣ The power structure panel is made of transparent Acrylic. You can clearly see the action status of the internal mechanical structure, making it easy to understand the principles and teaching. 2️⃣ The golden ratio of pressing and elastic structure makes you addictive in the hand. 3️⃣ Includes a link to a detailed assembly instruction video, which greatly increases the chance of successful assembly. 4️⃣ Comes with 11 small steel balls for you to enjoy the game 5️⃣ Safe polyester is used for assembly and bonding. Even if you accidentally get it on your hands, you can wipe it with a wet paper towel or wash it with water, giving you time to assemble slowly and avoid rushing. 6️⃣ This is a product independently developed by us. If you have any questions, you can send a private message to help you solve them. There will be no problems that cannot be found or cannot be solved. ⚠️ Make good use of the included sandpaper to solve difficult assembly problems. In addition, wet paper towels can be used to wipe away excess glue to prevent the glue from getting on your hands or getting stuck on your hands. 🉐 Currently there is a free "Money Is So Good" mobile phone holder, please refer to the profile picture 【Assembly instructions】 Online video tutorial (need to scan QR CODE to watch) [Material & Size] Board material: New Zealand dense board (natural and non-toxic) Appearance size: 17cm (length)x12cm (width)x11cm (height) 【Power Source】 Manual pressing [Applicable age] Recommended for ages 10 and up 【Time & Difficulty】 Assembly🕒: about 2~3 hours Ease of assembly: ⭐⭐⭐⭐ 【Shipping list】 ✅Part plates x 6 Acrylic panel x 1 ✅ Rubber bands x 2 ✅Sandpaper x 1 ✅ Ball x 11 ✅ 5ml Polyglue x 1 ✅ Wet wipes x 1 https://www.youtube.com/watch?v=HIDT0WYptck