What you will need:
- plastic guttering
- plastic u-bends (plumbing section of DIY shop)
- cable ties
- balls of different sizes
How to make:
- Saw the guttering into four different sized pieces.
- Drill two holes in the guttering.
- Deiced where your guttering will be placed so that a ball can roll from one to the other and into the bucket.
- Thread cable ties through the holes and your fence and tighten.
- Attach the u-bends using the cable ties.