Buy an ordinary plastic toy from the pound shop (if they're still in business... let's hope)
In this case it was a tiny football goal set with three cones (about 25cms high) and a little soft ball (not needed for this as its not football related).
Separate the cones
And decorate with Sharpies.
I made these so my husband could place them outside his Arty-Man-Cave and could rotate the last one to indicate what activity was happening within: