the momentix

for making + inventing at home

So you've got your design... 

(Don't have a design yet? We've got a whole other guide for that!

Now it's time to build!

Anatomy of a Chain Reaction Machine 

Base Support

Inclined Plane



Things with wheels

Scavenger hunt idea: run around your house and see how many things you can find that roll

  • Marbles

  • Sports balls

  • Cans

  • Fruits and Vegetables

  • Beads

  • Water bottles

  • Skateboards

  • Toy cars

  • Cups

Tip: Use a cylinder when you want something to roll in a straighter line



Old VHS tapes, CD cases, and DVDs


Dolls or Action Figures that can stand on their own


Mix n' Match Domino Alternatives

Tip: When trying to knock something heavier over, make it tippier by something under it (like paper or a domino), like the sprinkles in the cupcake machine




Don't have a  Momentix pulley? Try these.

Wall Hooks

Door Knobs

Use a railing as a pulley to hoist supplies between floors!

3 Simple Pulley Buckets

Tip: Pipecleaners make great hooks!

Put it all together and get building!

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