Snowball Fight!

Can you build a snowball catapult with these simple materials?

Have lots of winter, indoor fun with this snowball fight catapult STEM challenge! Students can engineer a catapult, measure, collect data and graph the data on a line plot all while having a blast! 
Check it out here: http://www.teacherspayteachers.com/Product/Snowball-Fight-Catapult-STEM-Engineering-Challenge-1556007