The specific steps are as follows:
1. First, cut the upper part of the plastic bottle with the prepared knife.
Then, cut the lower half of the plastic bottle with a knife.
3. Put the top half and the bottom half of the cut bottle together.
4. After the bottles are put together, stick the edge of the bottle mouth with adhesive tape.
5, if there are different colors of tape at home, you can paste it with different colors of tape, which is more beautiful.
6. Make another bottle in the same way, as shown in the figure below.
7. After two bottles are made, they need to be filled with sand.
8. Insert the wooden stick prepared in advance into the bottle filled with sand.
9. Screw the screw into the joint between the bottle mouth and the wooden stick, so that the wooden stick and the bottle are firmly fixed.
10, put a foam tube on the stick, which will be more comfortable to use in the future.
1 1. Fix the other end of the stick with another bottle in the same way.
12. After some operations, the simple homemade barbell is ready.