Check the listing for details. Micro Wind Turbine Motor Blade W/Bulb DIY Kit power Alternative Energy Generator. Color: Black, Condition: New. Listed at 12.99 USD. Peoduct Description: 1.This learning toy is good for curious kids, let the children know the driving principle of the motor, how the propeller rotates to produce wind. 2.Cultivate children's practical ability, so that knowledge is no longer theoretical 3.Fine workmanship and good performance. 4.Long service life. 5.Can be used as a wind power teaching experiment. 6.Great to cultivate students and kids hands-on ability. Product Specification: *Micro generator + high quality wind propeller + USB light bulb *propeller Length: 18cm Material: ABS Weight: about 4.8g Installation: positive and negative blades, which can be fixed on the generator *Light bulb 5 watts USB cable: 1M *Brand new *Material: PlasticPeoduct Description: 1.This learning toy is good for curious kids, let the children know the driving principle of the motor, how the propeller rotates to produce wind. 2.Cultivate children's practical ability, so that knowledge is no longer theoretical 3.Fine workmanship and good performance. 4.Long service life. 5.Can be used as a wind power teaching experiment. 6.Great to cultivate students and kids hands-on ability. Product Specification: *Micro generator + high quality wind propeller + USB light bulb *propeller Length: 18cm Material: ABS Weight: about 4.8g Installation: positive and negative blades, which can be fixed on the generator *Light bulb 5 watts USB cable: 1M *Brand new *Material: Plastic