Also, I saw this idea in a magazine which made it SO much easier for her! We used a wisk to hold the egg while she dunked it. Genius!
1) Masking tape - Dunked in a few colors, re-masking taped each time.
BEFORE / AFTER
2) Rubber Bands
3) The little stickers that come with the dye
BEFORE / AFTER (peeled off the stickers to reveal the polka dots)