Welcome to our first ever Simple Machines Challenge!

What is a simple machine? A simple machine is a mechanism that makes work easier by magnifying the force you exert on an object. Here are the six simple machines we want to see in this contest:
Wheel and axle
Inclined plane

Have a fancier idea? Combine multiple simple machines to create a compound machine or even a Rube Goldberg machine!

Share your best machine today for your chance to win awesome prizes!

The Simple Machines Challenge is closed.

Grand Prize

19 Prizes

Grand Prize

One Grand Prize Winner will receive:

First Prize

Three First Prize Winners will receive:

Second Prize

Five Second Prize Winners will receive:

Runner Up

Ten Runner Up Prize Winners will receive:
How It Works

Write an Instructable

Create a new Instructable that fits the guidelines outlined in the contest description above. To be eligible, Instructables must be published between Mar 1, 2021 and Mar 29, 2021 (11:59pm PT).


Upon publishing your Instructable you'll see checkboxes for open contests. Select Simple Machines Challenge. If you have entries currently eligible for entry, it will also show up by clicking "Enter this Contest" on the right side of this page.


Entries are accepted by Instructables staff within one business day Monday - Friday. What matters is the submission time, not acceptance time.


A panel of judges made up of Instructables staff and respected members of the community rate the finalists. The averages of the ratings determine the winners.


When the winners are decided they will be notified and announced here on the contest page.