Available below with or without wood.

Kit includes:

- 20 Front wheels

- 20 slicks

- 10 blanks

- 8 straws

- 20 screw eyes

- 40 washers

- 20 axles

Advantages: 1. No wasted cartridges - students can repeatedly test during design, modification & finishing stages 2. Construct smaller cars - use less wood for vehicle design because there is no need to alot room for the cartridge. 3. Use standard wheels 4. More vehicle shapes are possible 5. Requires compressed air source.