Preparing for Friday thoroughly. The desktop is a great place to race. And we will make race cars from a tube of glue or any empty bottle. Even dried up felt pens will fit. Of course, new ones will also fit, but is it worth spoiling them?
It will require: an empty bottle (more precisely, two, more precisely one bottle and two covers), a ballpoint pen stem, a piece of soap, a match or a paper clip, an accounting gum.
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Cut off the bottom
Making holes
We assemble the design
We twist the rod around its axis (we start the rubber motor). All-terrain vehicle for racing ready.