Things that 2-yr-olds are apparently psyched about

Balloons
Dogs
Penguins
Alligators
Headbands
Umbrellas
Snowmen
Pumpkins
Noses
Tails
Keys
Galoshes
Going up stairs
Going down stairs
Going up stairs
Going down stairs
Raisins
Bows
Shoes, especially when hanging from power lines
Airplanes
Bags
Potatoes
Bags with potatoes in them

Please note that mittens and broccoli did not make the list.