bearing
Different ways to do the same job. Check the setting and limits of each use before choosing one.
Drinking straw
For a small hand-pushed model only. A sleeve must fit the axle loosely enough to turn; paper may crush or add friction. Compare your actual results.
Suggested in Make a cardboard car.
No shared attempts yet.
Paper
For a small hand-pushed model only. A sleeve must fit the axle loosely enough to turn; paper may crush or add friction. Compare your actual results.
Suggested in Make a cardboard car.
No shared attempts yet.