Bundle up your family and welcome winter at a day-long block party. Participating shops along 2nd Ave between 73rd and 74th Sts will offer free events and deals throughout the day. Cozy's Cuts for Kids is offering free services from its Braid Bar, where your little one can get try out a new braided hairstyle and a manicure; Kids at Art will be hosting free art classes; Stylicious is offering free face painting and crafts. If tots get hungry, they can snack on free treats from Pinkberry and Skinny Pop. All ages.