Variable Inertia Kit, Rotational inertia can make sense without mechanical aptitude, Each
 
                                
                            
                        
                            
                            
                                $ 25.31
                            
                            
                            
                        
                        
                        
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Details
Easily change the distribution of mass by slipping solid steel balls into various disc compartments. Observe what happens when the differently weighted discs roll down an incline.
Additional Information
| SKU | 1327844 | 
|---|---|
| UOM | Each | 
| UNSPSC | 60106000 | 
| Manufacturer Part Number | 6111220 | 
 
                            