ขาย เครื่องดูดฝุ่น DIY ของเล่นการศึกษาสำหรับเด็ก ราคาที่ดีที่สุด

DIY Vacuum Cleaner Assembled Puzzles Scientific Experiment Educational Mini Model Early Learning Toy for Children Kids Features: Suitable for students to assemble themselves and cultivate students' motivation. Exercise hands-on ability, understand simple circuit and mechanical transmission. Specifications: Material: Wood Size: Length: approx.150mm-180mm/5.91-7.09 in (About the length of the bottle) Diameter:approx. 80mm/3.15 in Battery:No Beverage bottle:No Working principle: The motor rotates at a high speed, causing the fan to discharge air from the bottle mouth to the outside of the bottle, thereby forming a negative pressure in the bottle. Finally, suction is generated at the mouth of the bottle, and the paper dust is sucked into the bottle. Notes: 1.This product does not contain beverage bottles (the most common round water bottle) and two AA batteries, please bring your own. 2.Please allow 1-3 cm differs due to manual measurement. 3.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Include: 1 X DIY Vacuum Cleaner Welcome to fanicas, if you have any questions, feel free to contact us.