Also at that size, they can climb vertical things with ease to avoid being eaten by bigger predators. It could just be his instinct to get as high up as possible. Mari did it too when she was a baby, only her enclosure is a diy that I lined with blue tarp so she climbed it like an anole or house gecko would. ? When I first got her I had no idea she could do that and I had large chicken wire on top of her viv and the first thing she did once she ate was run up her wall and jump out the top of the enclosure through the chicken wire and run really fast to hide in my room. She was difficult to catch because she was really fast. I had to renovate her Viv twice. Now that she’s bigger I do have the large chicken wire back on top of her viv because I wanted to tent the top and make it look more aesthetically pleasing. (I’ll post a pic of my setup. I made it myself by taking an ikea shelf apart and re-assembling it. It doesn’t have a door, unfortunately, but that’s what my bedroom door is for. ? don’t let a tiny beardie free roam like that, Mari is big enough where I can easily find her hiding when she’s decided to take a nap somewhere.