Another activity fir you and your 2-4 year old: Winter on the Farm at Common Ground Farm on the grounds of Stony Kill Environmental Center in Wappingers Falls on Route 9D just North of Beacon NY.
The program is for 2-4 year olds (but maybe I'll sneak in with my 9 month year old?). There are 4 classes where kids and their care provider will explore the farm, barn animals, the fields and the trees.
Here's the class info:

TIME: 10-11am, or 1:30-2:30pm
PRICE: $7/child, or $25 for all 4 sessions

JANUARY 28: Meet the Pigs!
FEBRUARY 18: Chickens and Eggs
MARCH 18: Wild Animals on the Farm
APRIL 29: Spring Into Spring

To register or for questions, email education@commongroundfarm.org