1:14 Display Advice

Hello, I was wondering if anyone had product suggestions for displaying 1:14 Technic Cars. I have 6 cars I'd like to showcase, with more on the way. I found a lot of "parking garage" displays on amazon and they're really cool but it looks like they are fit more for hot wheels or other non-Lego cars. I prefer for them to be fully enclosed to keep the dust out. I would love to mount the parking lot shelving on the wall because floorspace is limited. I also have some 1:8 cars so if you have any...