Children’s Museum of New Hampshire Members of all levels are invited for some exclusive Member-only playtime in the exhibits! Members can sign up for these Member Only Mondays that happen on the first Monday of every month, October - December. Museum will be open from 9-11am. Online reservations are still required, but as always FREE for members. Be sure to sign in before adding anything to your cart. Any issues getting your member discounts, please email questions@childrens-museum.org.