How to repurpose an old shoe box * handig om boeken in te bewaren / sorteren *
DIY paper plate marble track - Wouldn't this be an awesome follow-up activity if you were teaching kinetic vs potential energy?
Angry Birds program setup! Kids got to learn about catapults, then fly their pom poms into the cups.
Science for Kids: Explore Popsicle Stick Catapults (from The Curious Kid's Science Book) ~ BuggyandBuddy.com
How to make a whirlygig - with printable template
Ontdekbak: gaatjes, bouten en moeren.
How Strong is Spaghetti? STEM Challenge for Kids! Create tests to investigate the strength of spaghetti.
Boat Craft-- self propelling water boats made from butter tub and yogurt cup. Cute and cheap!
met rietjes en tegelkruisjes