This sounds like so much fun!

Family Alien Day
Saturday, August 28, 9:30 am - 4:30 pm
Calling all outer space aliens! Come dressed in costumes from another planet for this out-of-this-world family event. Children dressed in alien costumes will receive an outer space prize.

Habitot Children's Museum
2065 Kittredge St. Berkeley
(510) 647-1111, www.habitot.org