Looking for family-friendly fun for the three-day weekend? Young science lovers can visit a planetarium or see a live mad science show.  

Monday: "Fire and Ice! Mad Science Show" in Poughkeepsie

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Kids will marvel at dramatic science demonstrations of color-changing potions, foam and balls of fire at this special Columbus Day performance. The one-hour show is suitable for everyone ages 3 and up.

When: 1 p.m. Monday, Oct. 8

Info: Mid-Hudson Children’s Museum, 75 North Water St., Poughkeepsie; 845-471-0589; mhcm.org; $6 per person for show-only tickets; museum admission is discounted to $6 with the purchase of a show ticket