BANGOR – Challenger Learning Center of Maine will feature “BOO! Science” from 6 to 7:30 p.m. Friday, Oct. 24.

Participants will experience atomic slime, glow-in-the-dark gourds, screaming balloons, dry-ice Boo bubbles, and exploding pumpkins.

A prize will be awarded at 6:30 p.m. for the most sci-fi-tastic costume.

Cost is $7 per child over the age of 3. A 20 percent sibling discount is available. For more information or to pre-register call 990-2900, ext. 3.