Ukidz UGEARS STEM Gearbox Model Kit - Creative Wooden Model Kits for Adults, Teens and Children - DIY Mechanical Science Kit for Self Assembly - Unique Educational and Engineering 3D Puzzles with App

• Model Size: 5.1 x 3.9 x 4.3 in
• Level: Easy / Number of parts: 120
• Assembly Time: 2 hours
• Recommended Age: 8+
• Package size: 8.1 x 7.4 x 2.5 in

The Gearbox is a stylised educational model, an interactive study guide to the mechanism, only for learning its essentials and principles of working. A mechanical gearbox is a reducer that provides speed and torque conversions from a motor to the driving wheels. After assembly, you can experiment with the Ugears manual Gearsbox, by turns, choose I, II, III, or reverse with a kinematic pair of gears with different ratios and, rotating the actuator handle clock-wise, you can watch and control the rotation speed of the layshaft and drive shaft