[Independent Creation] DIY Wooden Movable Model Roller Mathematical Calculation Teaching Aids with Tax and Invoice

⭐ ⭐ ⭐ Know Before You Buy ⭐ ⭐ ⭐ This kind of meticulous handicraft assembly is not an ordinary building block assembly, and it cannot be assembled by intuition. Watching the assembly video several times can greatly improve the success rate of assembly. Please be careful and slow when disassembling the parts and wooden boards, so that you can enjoy DIY The joy of handmade crafts. Scroll Wheel Number Style Description Painted version - the number and symbol wheels are hollow when shipped, and the color can be painted with/water-based oil-based singular pen The features of the DIY kit are as follows 1. A link to the detailed assembly teaching video is included, and 7-year-old children can also assemble it by themselves 2. Support addition, subtraction, multiplication, division and the concept of size, of course, also supports ninety-nine multiplication table, can use hands and eyes and brain to practice various calculations, it is the best teaching aid for children 3. The painted version allows children to paint their favorite colors (it is recommended to use an oil-based strange pen with a 1.5mm thin tip for coloring) as the difference between the rollers 4. Safe styrofoam glue is used for assembly and bonding. Even if it accidentally gets on your hands, you can wipe it with a wet tissue or wash it with water, so you have time to assemble slowly and avoid confusion 5. This is our self-developed product. 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. FB fan group: Please search for "Xindaimaru Workshop" Difficulty of assembly: ★★★☆☆(suitable for novices) Material: New Zealand dense board (natural and non-toxic) Size: 17 cm (length) x 7.5 cm (width) x 8.5 cm (height) Contents: Parts plate x6, 5ml polycarbonate glue x1 Assembly time: about 1~2 hours Assembly teaching method: online video teaching It is recommended to join the private purchased community after purchase, there will be occasional surprise gifts and lucky draws https://youtu.be/puAeCirrWPE