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Editor’s note: Welcome to Just4Kids, a new feature with content from The Conversation for Kids ... and watching it fly away as the air rushes out. More specifically, the rocket propellant ...

We have fond memories of air-water rockets ... process routine so the kids can concentrate on the aerodynamics. Or to just enjoy being outdoors and watching things fly.

Sweetbriar Nature Center, 62 Eckernkamp Drive, Smithtown presents First Steps Into Nature for children ages 2 to 4 on March ...