Shopping security
Hand-cranked simple motor model on a 5.5-inch base with two labeled magnets and 4mm sockets, demonstrating magnet action, induced current, and the alternator principle with stationary inductors.
Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order