Learn the best tricks for surviving class with these 7 funny back to school hacks you need to know how to do. Plus, the best giant edible school supplies, diy Fortnite unicorn, Angry Bird mosaic art challenge, and food hack wins $10,000. It’s a competition you won’t want to miss! Last time, brothers (not twins) the key bros competed in a do it yourself prank war with amazing science experiments, watermelon sand castles, and crazy soap and candles. Today’s battle has an epic challenge featuring slime, oobleck, massive squishies, Orbeez, gallium, and flex tape covered watermelons protecting ostrich eggs. The last brother to drop and break his egg from 30 ft wins! It’s another awesome and fun viral video in this entertainment and education life hack tutorial compilation series.   JOIN OUR ALL NEW KEYPER CLUB (must be signed into YouTube to join): youtube.com/channel/UC7TTtOQKMXTWWMtWQMIgVSA/join   GET YOUR MERCH BEFORE ITS SOLD OUT: shopcollinskey.com   #school #backt...