motor experiment DJ01 children 's science experimental toys diy homemade model

SINONING

$2.90 
SKU: SNP43

motor experiment DJ01 children 's science experimental toys diy homemade model
   Installation Note: Between the magnet and the rotor to maintain a distance of 4-5mm, the magnet is a N-S polar to the middle of the rotor. Before installing the copper piece, you can hold the two copper wires in hand to touch the rotor wire position, gently tighten, check whether the rotor can rotate normally, and then carefully fixed, so that copper can contact the rotor, not too tight.
Length: 7.5 cm
Width: 7.5 cm
Height: 2.5 cm
shipping list:1 set kit