You should only need a single 3D text object to represent the score. Each time the score changes you can update the 3D text.
The code and video tutorial referenced in the following thread uses 3D text to display and update a score.
http://www.alice.org/community/showt...3822#post43822
For video tutorials on programming in Alice 2.2 check out my YouTube channel
http://www.youtube.com/user/drdave785
Also check out my Programming in Alice blog at
http://programminginalice.com