1 USB Hand Crank Generator +Data cable. 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.
eBay
Versatile Applications: Perfect for a variety of uses such as powering backup lighting, charging devices, or educational purposes, this wind turbine generator is a versatile solution for urgent situations and practical learning experiences.
eBay
1x Hand crank wind power generation demonstration set. 【Great Gift Idea】The Education toy is both fun and educational, making it the good gift for kids and lovers who love to build toys. We'd like to settle any problem in a friendly manner.
eBay
ABS shell, acrylic transparent panel, CNC computer hole processing, beautiful and practical. 1 x Hand-cranked generator. 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.
eBay
This hand crank electricity generator could help kids to understand generation of electricity, quite suitable for adult and children to play together. This hand crank electricity generator could help kids to understand generation of electricity, quite suitable for adult and children to play together.
eBay
Hand Cranked Power Generation: To ensure normal power generation, 1‑3 revolutions per second is enough. The faster the hand cranking, the greater the power generation current. DC 220V output power: 30W.
eBay
220V550W high-power permanent magnet DC generator wind hydro hand-cranked human pedal DC motor motor.
eBay
This product is a three-phase alternator, which can be connected arbitrarily. Two lines can light up LED beads. Rated power: 0.5-12W. This product is suitable for microwind -hydraulic hand friction power and three-phase AC power in the school teaching mode.
eBay