($ 3.5 USD) for Advanced Beginners Knitters Frog egg warmer measures about 11 cm (4,3 inches). All pieces of the toy are knitted flat. Pattern for frog egg warmer is for Advanced Beginner Knitters. All pieces of the toy are knitted flat. If you use 4ply/fingering weight yarn the frog egg warmer will measure about 11 cm (4,3 inches) from skirt to tip of eyes. The pattern includes 4 pages of instructions. It will be e-mailed as a PDF document after Pay-Pal payment has been received. FrogEggwarmer e-mail address to send: