.Simulated four-speed transmission model with three forward gears and one reverse gear, driven by a motor for more peace of mind
.3D printing production, clever design, overall light and portable
.The shifting process of 3 forward gears and 1 reverse gear can be visually displayed in front of the eyes during operation.
.Note: This product is started by motor, but does not contain battery and battery box. Battery box can be purchased at our store.
.Can be used for desktop decoration, structure teaching, etc., deepen the understanding of the working principle of the transmission, cultivate scientific literacy
.Color: As Shown
.Product Dimensions: 12 x 5 x 6cm
.Product Weight: 100g
.Package Dimensions: 17 x 10 x 11cm
.Package Weight: 110g
.1 x Transmission Model