Your Challenge
Your objective this week is to build a self-propelled car. Basically, a car with no motor or electricity that can move without you touching it.
Once you’re done, see how fast you can make your car go. Can you think of any other ways to propel it to make it go even faster?
Important Challenge Dates:
August 6 | Video entries due by 9pm.
August 7-8 | Voting is open. Be sure to vote for all of your favorite videos!
August 8 | Winners announced by 8pm
August 9 | Week 8 challenge released! This will be the final challenge of 2023!
For more information about contest entry and voting, click here.
Complete the Challenge.
You have until August 6 at 9pm to work on your challenge and submit your solution. See our full contest rules to learn what you can and cannot do.
Make a video showing your solution.
Try to keep your video under 90-seconds long and include the following:
• The name of your solution.
• How does it work?
• What materials did you use?
• Did you have to overcome any problems?
• What was the biggest lesson you learned?
EPIC FAIL! Failure is an important part of the engineering and invention process. It’s how we learn and move forward. Be proud of your failures and show them off. If you capture a failed solution attempt on video, be sure to enter it separately into the Epic Fail contest category. The most impressive failure of the week will win a prize!
Your video will be visible to anyone with an internet connection, so it’s important to protect your privacy and stay safe. See our guidelines for more information.
Enter the contest by 9:00pm ET on August 6.
Ask a parent to upload your video to our website using our online entry form.
All contest and epic fail entries will receive 1 point for our big end-of-the-summer prize drawing!
You can earn bonus points for:
- Getting a friend to participate in their first ever Invent the Summer challenge
(make sure they give you credit) – 5 points - Completing 3 challenges in a row – 3 points
- Completing 5 challenges – 5 points
- Completing ALL 8 challenges – 5 points
View other solutions and VOTE!
You can see all the solutions and vote for your favorites from 8:00am ET on Monday, August 7 until 5:00pm ET on Tuesday, August 8. See our voting rules for more information.
Winners announced by 8:00pm on August 8!
Audience Choice Award: Goes to the solution with the most votes.
Editor’s Choice Award: Selected by the Junior Board of Engineers. Solutions will be
judged on originality, execution and presentation.
Epic Fail Award: Given to the most impressive failure of the week. Selected by the Junior Board of Engineers.
Winners receive their choice of an Invent the Summer t-shirt, notebook, or drawstring bag.
