
Electric Fan Kit
Build your own fan and discover the secret of motion.
EGP 279
What you will learn
- A circuit is a closed path — electricity leaves the battery and returns to it.
- The switch opens and closes that path, turning the fan on and off.
- A motor converts electrical energy into movement.
- Angled blades push against air and create a current of it.
- Swapping the two wires reverses the direction the motor turns.
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There is a real adventure in this box. You will build an electric fan with your own hands — precision-cut wooden panels, a real motor, and a circuit you wire up yourself — and then discover the science that makes it turn.
When the fan runs for the first time, you will not just have assembled a toy. You will have understood how energy changes from one form into another.
The science inside
Turn electricity into a breeze.
The motor turns the blades. The spinning blades push air, making an invisible movement something you can feel.
- 1Electrical energy
- 2Rotating blades
- 3Moving air
What's in the box
- Laser-cut wooden panels
- A small motor
- Plastic fan blade
- Battery holder
- Power switch
- Two wires, red and black
- Double-sided tape
- Assembly and experiments manual
You will also need
- Batteries for the holder
- A lighter for the heat-shrink tubing (adult use only)
The journey of the energy
Energy never disappears — it changes from one form into another.
- BatteryChemical energy
- WiresElectrical energy
- MotorKinetic energy
- FanMoving air
Try it yourself
Reverse the spin
Swap the red and black wires at the battery holder, then switch the fan on. What happened to the direction it turns? And why?
Test the air
Hold a small piece of paper in front of the running fan, then move slowly away. At what distance does the paper stop moving?
Design a new blade
Draw a new design for the fan blades. Would you make them bigger or smaller? More of them, or fewer?
Safety rules
- Ask an adult for help when using the lighter.
- Never touch the blades while they are spinning.
- Keep small parts away from younger children.
- Take the batteries out of the holder when you have finished playing.
Some steps need an adult alongside