Object disappear when attached to start line [solved]

[spaii]

1. Open stunts title
2. Go on editor
3. Create a new map
4. Add road start line in air
5. Add turbo object on start line
6. Save map
7. Quit editor
8. Open map
9. Abracadabra : object join rabbit in hat

Video : https://www.youtube.com/watch?v=MMbwH4vuPYk

[mistAken]

Why don't you save it as a macroblock?

[spaii]

Problem solved, i obsoleted objects title

thx for proposition