Mini Reciprocating Linear Motion Model Push Rod Telescopic DIY Small Push-pull Reciprocating Motor Model

Reciprocating motion model (handmade material pack) Develop children's creativity in entertainment Product parameters [Product size]: 170mm*45m*40mm [Battery for phone use]: 2 AA batteries are required [product packaging]: loose parts bag [Finished product weight]: about 74.4 grams [Scientific principle]: The rocker moves back and forth through the rotation of the motor, so as to understand and learn the knowledge of transmission principles [Reminder]: The product is packaged in bulk, with Chinese graphic instructions, and 2 AA batteries are required. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.