Prepare materials and tools: two plastic bottles, a high nail, and a piece of cardboard , three straws, millet, glue, paper tape, scissors.
1. Take the upper parts of two plastic bottles and punch holes in the two bottle caps respectively. .
2. Put the mouths of the two plastic bottles together and fix them with high nails.
3. Cut two circles of the same size from the cardboard.
4. Glue the plastic bottle to a cardboard.
5. Wrap paper tape on the plastic bottle.
6. In three straws Wrap both ends with paper tape.
7. Stick the straw on the plastic bottle.< /p>
8. Pour in the millet and glue another cardboard.
