[Dameria]

I used about 900 cube objects in my Alice Paint program. Like the others have said, there probably is no limit. The limit is on how much all of your objects make the program lag. If you use a lot of objects and see that your program is suffering, you might want to rewrite your code more efficiently, or if it's a polygon count issue you can try experimenting with turning your objects to invisible if they are very far away (adding fog would make this look smoother).