Turn a Cardboard Box into an Epic Marble Run – Great engineering challenge for kids. Fun group activity to see what each group
![Turn a Cardboard Box into an Epic Marble Run – Great engineering challenge for kids. Fun group activity to see what each group Turn a Cardboard Box into an Epic Marble Run – Great engineering challenge for kids. Fun group activity to see what each group](https://webcodeshools.com/uploads/2017/10/turn-a-cardboard-box-into-an-epic-marble-run-great-engineering-challenge-for-kids-fun-group-activity-to-see-what-each-group0.jpg)
via: frugalfun4boys.com
Turn a Cardboard Box into an Epic Marble Run – Great engineering challenge for kids. Fun group activity to see what each group comes up with!