This electric guitar barrel has been polished and perforated. After you add your own finish, it can be used.   Features: Perfect and impressive quality.  Unfinished guitar body for JB style...

Features : - Enlightening children's infinite creative space and learning basic meteorological knowledge.  - By using hands and brains, we can learn to play with teaching aids and enhance our...

Description:  Name:  1: Short U-shaped Steering Bracket.  2: Wide U-shaped Steering Bracket.  3: Side Steering Bracket.  Material: 1.2mm hard aluminum.  Color: Black.  Weight: 10g.     Package Included:  1x  Bracket

Stirling engines are unique heat engines because of their theoretical efficiency is almost equal to the theoretical maximum efficiency, Called the Carnot cycle efficiency. The Stirling engine is heated by...

DIY Mini Engine High Speed Turbine Model.    Description: Item: High Speed Turbine Model;  Item No.: AT;  Inlet Diameter: 4mm;  Outlet Diameter: 6mm;  Output Shaft Diameter: 1.95mm;  Speed: over 50000...

Specifications:  Item Name: Train Track Model;  Type: Type A-Mini Rail Train/Type B-Regular Rail Train;  Weight: Type A-211g, Type B-358g;  Power parameters: 1*AA battery (not included);  Product material: ABS environmental protection...

Description: Length 47MM, width 29MM, high-46MM;  Flywheel diameter 29MM, shaft diameter 2MM.  Cylinder diameter 4MM.  Weight 66G.     Package Included: 1 X M81 Mini Steam Engine

Description: Length 35MM, width 41MM, height 40MM;  Weight: 57G.  Flywheel diameter 20MM,  Shaft diameter 2MM.  Cylinder diameter 6MM.    Package Included: 1 X M65 ini V2 Steam Engine