pet store cage

I've two piggies who've failed to bond. Plan A is piggie dating to find them both friends but just in case (I had a previous piggie who refused all bonding attempts)...Plan B is to house them together in the same cage with a divide. I'm looking at the Ferplast Plaza 140 and saw that it comes in...

So, since my cage isn't big enough for 2 piggies, I decided to keep Winnie in a pet store cage for a few days because we are deciding on how and where we are going to build our HUGE C&C guinea pig cage. I need some ideas because obviously, pet store cages are too small but that is the only...