One family admission pass (2 children, 2 adults) for the Ecotarium, a unique indoor/outdoor museum in Worcester MA.  Ecotarium offers a digital planetarium, a Tree Canopy Walkway, a narrow-gauge railroad, wildlife, and hands-on family friendly exhibits.  Open from Tues-Sat 10 am-5 pm and Sundays 12-5 pm.   www.ecotarium.org