The model kit comes with a QR-code to the study guide about the mechanism, the principal of its working, the main characteristics, formulas. It also includes interesting assignments.

The Tachometer mechanism consists of:
• Handle
• Reducer
• Weights
• Axle
• Flywheel
• Dial

The Variator-Tachometer mechanism consists of:
• Handle
• Reducer
• Cone-shaped driving pulley
• Cone-shaped driven pulley
• Belt
• Pedal
• Housing
• Fork
• Reducer
• Weights
• Axle
• Flywheel
• Dial

Model size: 24*10.3*12.3 cm
Package size: 20.5*18.8*6.3 cm
Number of components: 133
Estimated time for assembly: 2.5 hours