Prepare materials and tools: a rectangular paper box, two bottle caps, and two thumbtacks , two bendable straws, paper tape, glue, scissors .
1. Poke two thumbtacks into the centers of the two bottle caps.
2. Fix the bottle caps with thumbtacks on both sides of the carton.
3. Bend a straw into the shape in the picture.
p>
4. Cut a section from another straw and connect it to the shorter end of the straw.
5. Use paper tape to secure the straw.
6. Glue the straw to the front of the carton.