Worcester’s EcoTarium will offer two Saturday overnights for kids aged 6 and up:

• Girls’ Night Out: Science Journey!,  Friday, February 6
• Boys’ Night Out: Science Adventure!,  Saturday, February 21

Activities include science experiments, visits with resident wildlife, digital planetarium show, and night sky explorations.  Cost is $50 per person (children and adult chaperones).  One chaperone is required for every 5 children.  Register via reservations@ecotarium.org or 508-929-2703.  Groups of 28 or more may also book their own dates on Thursdays, Fridays, and Saturdays.  Details.