Hi, Welcome to Spiral, free apps for collaborative learning. You can launch this free activity from here.

21 Failed Inventions - mental_floss List Show Ep. 324

By Spiral Education 05 Sep 15:11
Mental Floss Mike Rugnetta Idea channel pbs failed invention fail epic funny death history john green list show invent noob Display all tags
1 slide
Spiral is being used in 142 countries and counting. See what teachers are saying. View more
Sorry, your browser does not support inline SVG.