Hi Tish, here are some directions on how to make globes. It would be the same principle for garden globes... https://www.wikihow.com/Make-a-Christmas-Light-Ball-from-Wire-Hangers Hope it helps.
here's video https://www.youtube.com/watch?v=8GYAIVJ2sdo another https://www.youtube.com/watch?v=Rc0vUNSegfc another
I joined mine together with cable ties.
Blow up a balloon use pliers bend wire over balloon & finish off top & bottom by having made circular metal piece to hook over cut ends of the 'latitude' 'longitude' wire cut & bend glue the intersections of wires with a Jewelers glue.