I have two beardies: Balrog, female, over 1 year old, over 600g, and Goldorak, male (probably), 3.5 months old, over 200g.
They have nice enclosures, a "condo", two 4x2x2 stacked, Balrog below and Goldorak above.
We never take them out at the same time, because we were scared that Balrog would...