Handheld Crank Generator Kit – Pocket Dynamo, Electromagnetic Induction STEM Model
Build a pocket-sized hand-crank dynamo: turn the handle and the little generator inside makes electricity.
Designed by Mematrix Lab
Description
Electricity from your hand, in your pocket
This kit builds a small handheld generator in a pink shell. Turning the crank spins a little dynamo inside, and moving a coil past a magnet produces an electric current. Connect it to a small bulb or LED and see how faster cranking gives brighter light.
Science it demonstrates
- Electromagnetic induction: a moving magnet and coil produce current
- Energy conversion: motion becomes electricity
- Gears: speeding up the dynamo
- Wind-up torches and bicycle dynamos
What you'll do
- Fit the dynamo and gears into the shell
- Attach the crank handle
- Close the shell
- Connect a bulb or LED and turn the crank
Parts list
- Pink handheld shell
- Small dynamo and gears
- Crank handle and fittings
Good to know
- No batteries needed. Different from our larger Hand-Crank Generator Kit.
- Contains small parts. Recommended for ages 8 and up, with adult guidance.
Specs and Docs
- Approx. size
- 13.1 × 5.2 × 7.3 cm
- Power
- Hand crank (no batteries needed)
- Material
- Plastic, magnet and metal
- Suggested age
- 8+ with adult guidance
Shipping
Standard shipping: $9.00 for the first item, +$1.80 for each additional item. Free shipping on orders over $260.
We ship worldwide, by default with economical international post (UPU / China Post small packet) to keep shipping costs low. Orders are usually handed to the carrier within 2–5 business days, and economical international post then takes about 10–30 business days to arrive; these are estimates, not guarantees. Delivery time depends on the destination and on postal and customs handling. If you need your order by a certain date, email us before ordering: faster shipping can be arranged, with the extra cost charged at the carrier's actual rate. Items that contain batteries or magnets are marked on their product page and ship by a special carrier line; some countries and regions cannot be reached by that line, and if yours is one of them we refund the order in full.
Batteries & magnets
This item contains, or may contain, batteries or magnets (for example in a motor, speaker or rechargeable battery). Ordinary postal parcels with such items may not pass security screening, so it ships by a special carrier line, and its price includes a $10 surcharge for this. Some countries and regions cannot be reached by this line. If yours is one of them, we will email you and refund your order in full.
Customs & duties
Import duties, taxes and customs requirements depend on the destination country, the shipping route and the local customs office, so we cannot say in advance whether any will apply to your parcel. Customs may hold a parcel, ask for more information, or ask for duties or taxes to be paid, even when the declared value is correct. If you have a question about your country, email us before ordering.
See our shipping & returns policy.