Charleston Day School
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In the Classroom

4th Grade Invention Convention

November 14

4th Graders Design Solutions to Real-World Problems

Do you have trouble waking up in the morning? Get bored mopping the floor? Tired of your water bottle rolling across the room?

These were just some of the problems identified by Charleston Day fourth graders, who then designed a solution. During the annual Invention Convention, they presented their projects to a panel of outside judges who asked tough questions, such as how much they would charge for the product and how it was different from the competition.


This year’s winning project was inspired by the student’s 3-year-old brother. The project, a Little Brother Bad Behavior Blaster, is a contraption made from popsicle sticks. Whenever his little brother behaves well, he’s allowed to add a marble. Once the bucket of marbles is heavy enough — it takes about a dozen or more — the marble dumps out and rolls around the course, depositing a piece of candy at the end!

Congratulations to the following students.

1st Place: Atticus Mauldin – Little Brother Bad Behavior Blaster

2nd Place: Liza Hood – Easy on Your Back Backpack

3rd Place: Sally Rowson – Slobberless Ball Cover

Honorable Mention: Charlotte Leslie – The Brove

Honorable Mention:  Graham Shortridge – K-9 Cover



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