For School Groups

Meets Connecticut Science Standards

  • 4.1 The position and motion of objects can be changed by pushing or pulling.
  • 8.1 An object’s inertia causes it to continue moving the way it is moving unless it is acted upon by a force to change its motion.

For Families


Explore the ancient and challenging mechanics of catapults. Rubber bands power this model. Safe for people and places when used with the ping pong ball provided. Make Happy Birds and fling them with accuracy.

happy-birds

happy-birds

Catapult

Catapult

Simple Machines Catapult

Simple Machines Catapult

Parts

Step 1
Attach the uprights with glue and a nail.

Step 2
Attach the catapult arm. Put the o-rings at the ends of the dowels on the outside to keep them from sliding out.

Step 3
Power. Install the rubber band.

Step 4
Install the trigger. Attach the trigger wire.

Step Done
Test it out!