150PCS Steampunk 3D Tiger Swallowtail Butterfly Model Assembly DIY Kit Type_2 Cylinder Stirling The processing difficulty of side

The processing difficulty of side valve structure also increases

UNIQUE STYLING ---- This is a V-type hot live steam engine

Alloy track for strong grip

In terms of electronic equipment

9:1 (The gear ratio can be changed by different gear set in the center gear box)

150PCS Steampunk 3D Tiger Swallowtail Butterfly Model Assembly DIY Kit Type_2 Cylinder Stirling The processing difficulty of side150PCS Steampunk 3D Butterfly Model Assembly Eastern Tiger Swallowtail Butterfly 2 Another Alternate Pair Of Wings Are Ggiven For FreeFeatures:. Recognizable steampunk style and pain staking perfectionism and attention to detail. The insects and other critters that he crafts from spare car parts look like fantastic creatures out of an alternate retro universe.. 150PCS+,Assembling difficulty Entry A levelThe product needs to be assembled according to