UGEARS STEM LAB TACHOMETER
Model size: 24 x 10.3 x 12.3cm
Package size: 20.5 x 18.8 x 6.3cm
Number of components: 133
Estimated time for assembly: 2.5 hours
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.