This 11 page PDF will instruct you on how to make all three (charmander squirtle and bulbasaur) These guys are small, measuring at about 3 inches, bulbasuar is about 2 1/2 inches

Written in English

This is a Beginner/ advanced beginner level pattern. Its recommended you be familiar with the following techniques prior to attempting:

single crochet
magic ring
increasing
decreasing
color changing
some simple sewing

Adult supervision is advised for children as a hot glue gun is needed for this pattern.