Simple Machines Made Simple,’ which raised more than seven times its target on Kickstarter, wants to demystify mechanical engineering for kids. How do you explain the laws of physics to a toddler?

Chances are the shelter-in-place orders taking effect nationwide have interrupted your kids’ schooling, and as a result, keeping them cooped up has made them destroy everything you once called “home,” ...

This work was supported by the Department of Higher Education (grant number R792). What they may not realise is that they’re learning while playing. The swing allows children to physically experience ...