[Independent creation] DIY wooden model three-dimensional puzzle mini manual ball set 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. 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. Only then 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 Description】 The ball set is compact and mini but still has a full mechanical structure. The transparent Acrylic panel allows you to clearly see the entire process from pressing to the ball popping out of the hole. The golden ratio of pressing feel is even more exciting. Come down, the slowly rolling steel balls slowly slide down the track, which makes people unable to take their eyes away. When you are bored, you can press it a few times, and when you are bored, press it a few more times. There will be unexpected effects. It is suitable for guiding children to understand the mechanical structure, The laws of physics and the joy of crafting. 【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 Compact and mini, still has a charming ball structure 3️⃣ The golden ratio of pressing and elastic structure makes you addictive in the hand. 4️⃣ A detailed assembly tutorial video link is included, which greatly increases the chance of successful assembly. 5️⃣ Comes with 7 small steel balls for you to enjoy the game 6️⃣ 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. 7️⃣ 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. ⚠️ Wet paper towels can be used to wipe excess glue to avoid glue getting on the thread or getting on your hands 【Assembly instructions】 Online video tutorial (need to scan QR CODE to watch) [Material & Size] Board material: New Zealand new pine dense board (natural and non-toxic) Appearance size: 11cm (length)x11cm (width)x12cm (height) 【Power source】 Manual pressing [Applicable age] Recommended for ages 7 and up 【Time & Difficulty】 Assembly🕒: about 1~2 hours Ease of assembly: ⭐⭐⭐ 【Shipping list】 ✅ Parts plate x 2 ✅ Transparent Acrylic panel x 1 ✅ Rolling balls x 7 ✅ 5ml Polyglue x 1 ✅Sandpaper x 1 ✅ Wet wipes x 1 https://youtu.be/7wDaSl8QKEs