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| Best Seller  | This science kit is perfect for demonstrating the energy transformed from mechanical to electrical. Amazing handheld electricity generator! Create power without batteries! Great for classroom physics teaching demonstrations. Made with a clear plastic... more | FREE shipping go to store |
 | Colour: transparent + green Material: plastic Package Contents: 1 x Hand Crank Generator Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little... more | $11.68 $10.53 FREE shipping go to store |
| Best Seller  | Colour: transparent + green Material: plastic Package Contents: 1 x Hand Crank Generator Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little... more | FREE shipping go to store |
 | Wind Turbine Generator Brushless Motor Miniature Alternator Hand Crank Three Phase Description Made of source material durable and pratical. Professional designed for education and DIY use also it can light up max 12V 6W LED light. You can use it to DIY an small size or power generator as you like. Features - Color: As Shown. -... more | go to store |
 | Lepai LP-225 12-20 VDC 2 x 25W Mini Bluetooth Amplifier with 3.5mm Line Input and Preamp Line Output Who says great sound is impossible out of a mini amplifier that fits in the palm of your hand? The Lepai LP-225 cranks up to 25W per channel and has bass and treble controls to customize the sound to your liking. Bluetooth 5.0 makes it even better... more | FREE shipping go to store |
 | Handheld Optical Power Meter -70~+3dBm Rechargeable Optical Power Tester Portable Digital Mini Light Power Meter with 7 Optional Optic Wavelength - LED Lighting Function: Capable of playing a role as a flashlight for line checking and constructing in... more | FREE shipping go to store |
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