Stirling Engine Model, Small Invention Generator Power Rangers, Turbo Science Popularization Experiment Men's Clothing 30–31 yards inner length is

30–31 yards inner length is about 19CM (no elastic)

Monitor timing advance

Packing size: 24*21*8

Microphone distance: 1 meter

Stirling Engine Model, Small Invention Generator Power Rangers, Turbo Science Popularization Experiment Men's Clothing 30–31 yards inner length isProduct information: Ability Training: Other ability training Color: default Specifications: Classic models (need to be installed by yourself) do not generate electricity, do not install basic models to generate electricity and play it when you get it, red wooden baseboard to play when you get it, FY black wooden baseboard to play when you get it, FY Golden wooden bottom plate can be used to generate electricity, while wooden bottom plate can be used