This is an accessible entry point with video and a non-profit organization that has inspired over 800,000 students to create and design. The video of this young man’s creative endeavor will warm your heart and spark lots of ideas. https://cainesarcade.com/cardboardchallenge/

A good place to start when looking into MakerEd in support of STEAM. https://www.edutopia.org/article/maker-education-resources

This is a quick and easy design challenge that does not require a lot of expensive or specialized materials. https://cdn.cooperhewitt.org/2011/09/02/Ready%20Set%20Design%20vX.pdf