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Description

Make a car that moves with a rubber band.

Resources

Material
- 3 Popsicle sticks
- Wooden skewer
- 4 Bottle caps
- Straw pipe
- Super glue
- Pva glue
- Rubber band
- Some bolts and nuts

Instructions

Drill 2mm hole at the center on the caps
- Cut 50mm lenght of a skewer and attach to one cap using super glue or hot glue
- Pass a 40mm straw on the skewer
- Attach second cap
- Make a V shape using two popsicle sticks
- Place another 30 mm popsicle stick on them and glue them in place using pva glue
- Let it dry for 30 minutes or more
- Hot glue front wheel as shown
- add 20 mm straws for back wheel as shown
Drill 2mm holes on the caps
- Based on the distance between the end of the popsicle sticks, cut a skewer, mine was about 80mm
- Add a 20mm skewer at the center, using super glue
- This will hold rubber band on the back wheel
- Add another 20mm skewer piece on the front frame as shown
Add rubber band as shown, the rubber band should not to loose or too tight
- On the back wheels add masking tape to increase friction
- One could use rubber bands instead of paper tape
- Add nuts / bolts on the rear side, this also increases the friction between tyres and surfaceas

Tags

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Badge Links

• Skills - Creative activity
• Skills - Machine
• Teamwork - Challenge