Get two 4 foot pieces and make an 8 foot box. They should be cut straight enough to be good to push together. That's what my box is made out of. Either do that or get two 6 foot pieces and make a 12-foot long box. That would be fucking sick and I would be extremely jealous of you.
I want to go to one of these guys' shows soooooo badly. Their outlook on music and perspective in life is so inspiring, they're a bunch of driven guys with future-forward attitudes, I can't get enough of it.
Do nothing but 5050 grinds on everything for like two weeks and you'll eventually get them. It's really easy to balance them but just hard to hop into them since you have to be so accurate with it. Just do them A LOT.