Lưỡi động cơ tuabin gió, bộ tự làm, với bóng đèn, máy phát điện năng lượng thay thế

Features: * Brand new and high quality * Made of high quality materials, sturdy and * This learning toy is suitable for curious children, allowing them to understand the driving principle of the motor and how the propeller rotates to generate wind. * Cultivate children's practical abilities so that knowledge is no longer theoretical. * Fine workmanship and excellent performance. * Can be used as a teaching experiment for wind power generation. * Very suitable for cultivating students and children's hands-on ability. Specification: generator + high quality wind propeller + USB light bulb Propeller length: 18 cm Material: ABS Weight: about 4.8g Installation : positive and negative blades, can be fixed on the generator Bulb: 5 for watts USB cable: 1M Package Included: 1 x generator 1 x propeller 1 x USB cable 1 meter 1 x 5w bulb Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.