- per page
| Inclined Plane Deluxe with Halls Carriage | Inertia Apparatus | Inertia Apparatus | 
| Catalog #: 608-2 | Catalog #: 639-1 | Catalog #: 639-5 | 
| 
                      Our price: $49.50
                      
                     | 
                      Our price: $9.80
                      
                     | 
                      Our price: $11.25
                      
                     | 
| Inertia Balance | Knife Edge Clamp | Loop The Loop Deluxe | 
| Catalog #: 639-8 | Catalog #: 510 | Catalog #: 640-5 | 
| 
                      Our price: $22.50
                      
                     | 
                      Our price: $2.25
                      
                     | 
                      Our price: $28.50
                      
                     | 
| Loop The Loop Graduated | Loop The Loop Triple Track | Marble Launcher | 
| Catalog #: 640-15 | Catalog #: 640-10 | Catalog #: 641-20 | 
| 
                      Our price: $42.50
                      
                     | 
                      Our price: $52.50
                      
                     | 
                      Our price: $89.50
                      
                     | 
| Maxwells Wheel Physics | Monkey and Hunter Set, Physics | New York Demonstration Lever Balance | 
| Catalog #: 587-1 | Catalog #: KT641-35 | Catalog #: 510-20 | 
| 
                      Our price: $19.95
                      
                     | 
                      Our price: $168.50
                      
                     | 
                      Our price: $27.50
                      
                     | 
| Newton 'G' Ball | Newton's Cradle or Collision Balls Apparatus Large | Newton's Cradle or Collision Balls Apparatus Small | 
| Catalog #: 585-15 | Catalog #: 584-2 | Catalog #: 584-1 | 
| 
                      Our price: $36.50
                      
                     | 
                      Our price: $17.50
                      
                     | 
                      Our price: $14.50
                      
                     | 
- per page
