Design Squad Global has some great Build Challenges that use materials that can be found at home. Each has a video and step by step guide with images to support the build. The build challenges range in difficulty from easy to hard. If you don’t have a material, get creative and find an alternative!  Here are some of our favorite challenges:

Also check out the Design Squad Global Watch page.  It has excellent videos from NASA Toilet to Underwater Robot and Engineering Kids segments too.