It's fun to make letters out of playdough, and it is a great way to help children "remember" their shapes, too. Here is a letter g playdough mat to prompt them...
Alphabet Decorate The Letter G Playdough Mat Lower Case
We are working our way through the alphabet with this set of playdough mats, which help children with letter recognition and beginning sounds. Here is the letter G.
Girl begins with the letter G. What else can the kids think of to model with their playdough? How about a giant - or a grasshopper!