The Brooklyn Children’s Museum offers the following  free admission dates/times :

EARLY BIRD
Free early bird admission is available before 11am on the 2nd weekend of each month.
March 13th and 14th

WEDNESDAY AFTERNOONS
Enjoy free admission to the Museum from 2 to 5 p.m on these Wednesday afternoons.
March 10th,17th & 24th

For more information and directions check out the museums site by clicking the image below =)