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...

Specifications:  --Name: Electric Belt Sander;  --Color: Mainly Sliver;  --Size: 150 * 143 * 140 mm / 5.9 * 5.6 * 5.5 in;  --Sand Belt Size: 330 * 20 mm /...

Mini Electric Hand Drill DIY Electric Drill Drilling Tool Set.     Feature:  DIY mini electric hand drill for plastic sheet, organic glass plate, and board drilling.     Specifications:  Power Supply:12V...

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...

Specification: Material: Plastic;  Pattern: Gray flat fish /  Blue spots whale / Blue spots flat fish;  Size: As shown;     Feature: It built a fairy world for you when the miniature...

Description:  Material: ABS.  Color: White, Black, White+Blue, Black+Red.  Power: 130W.  Frequency: 50-60Hz.  Voltage: 110V, 230V (OPTIONAL).  Plug Type: US Plug, EU Plug (OPTIONAL).  Dimension: 19 x 3.8 cm / 7.5...

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...

Item Specifics:  Speed: 20000 rpm;  Input voltage: DC12V;  Current: 3A;  Power: 36W;  Work table area: 120 x 100mm;  Processing materials: wood, engineering plastics, soft metals (aluminum, copper, etc.).     Stand...