The planned fourth line of Madballs was in the works. However, like line three there has been now word on either line since Feb. 18th 2009. here.
Sadly no word on the line of toys and being that late 2008. There was a merger between Basic Fun Inc, and Good Stuff, one could conclude that this was one of the losses of the merger.
The old Madballs are going to be:
The new Madballs are planned to be: