More to explore:
Homemade Thing 1 and Thing 2 Toddler Costumes: My mother in law and I sewed up these Pregnant Twiddle Dum and Twiddle Dee Costume. We bought a monkey pattern and tweeked it a little!
These guys are just so funny and really cute
I think I figured out what my kids are going to wear for Halloween next year...if I can convince my older son to dress up like cat in the hat :)
Thing 1, Thing 2, Thing 3 - 2012 Halloween Costume Contest
Thing 1 and 2 Costumes :)
Thing 1 and Thing 2 Halloween costumes
Thing 1 and Thing 2 (AKA Sayuri and Johanna's school costume?)
Thing 1 and Thing 2
how-to: thing 1 & thing 2 costumes. Hot glue a blue boa onto a beanie hat
Amazon.com: My Costume Wigs Boy's Thing 1 and Thing 2 Wig (Blue) One Size fits all: Clothing
Homemade Thing 1 and Thing 2 Costume
my co-worker and I dressed up as thing 1 and thing 2! Super easy costume to make!
Dr. Seuss Party Theme: Tutu Skirt Halloween or Birthday (Sadie wore a Thing 1 onesie, hubby wore a Thing 2 t-shirt)
This site has hundreds & hundreds of ideas for homemade costumes!