This weekend: Get those Halloween costume ideas down on paper.
Roosevelt Island Kidfest
The Deedle Deedle Dees perform live on the central green lawn — plus an array of family activities like face painting and kid-friendly rides.
When: Sat. 10/4, 2-4pm; All ages; Free.
Where: Riverwalk Commons, Roosevelt Island (take Roosevelt Island tram or F train), rooseveltislandkidfest.com.
Learn to Ride
Bike New York teaches kids the balance-first method of riding, plus stopping, steering and other basics. Bikes and helmets required.
When: Sat. 10/4, 10am-12pm; Ages 5+; Free (pre-registration required).
Where: Tompkins Square Park, 10th St. & Ave. B, bikenewyork.org.
BoyintheShade
Musical influences from Raffi to R.E.M. infuse the group’s affirming kid tunes.
When: Sun. 10/5, 12pm (doors open at 11:30am), Ages 2-7; $10.
Where: Bowery Poetry Club, 308 Bowery at Bleeker, boyintheshade.com.
Fall Leaves
Head to the newly reopened Brooklyn Children’s Museum to discover the reasons behind the season’s changes, and make a collage to take home.
When: Fri.-Sun., 10/3-10/5, 11:30am-12:30pm; Ages 18 mths-2.5 years.
Where: Brooklyn Children’s Museum, 145 Brooklyn Ave., 718-735-4400, brooklynkids.org.