Marshmallows are too big for Lego people to throw. Your kingdom has come under attack and must defend itself. Design a catapult using the WeDo kit and motors, that will launch a marshmallow with enough force to knock down your opponent’s wall, before they down yours.


Standards: 3.P.1.1: Infer changes in speed or direction resulting from forces acting on an object.


Catapult Lesson Plan

Resources for Lesson