1. First prepare several large plastic buckets, as shown in the figure below.
2. Then prepare some sand for later use, as shown in the figure below.
3. Then put the sand into the plastic bucket above, as shown below.
4. Next, prepare some old iron pipes, as shown in the figure.
5. Finally, put the plastic bottle filled with sand on the iron pipe, so that the sports equipment made of waste products is completed, as shown in the figure.