Dust-free toy storage

I recently asked a fellow My Little Pony collector to share on how she stores her pony collections.  Well, she bought big boxes from Ikea, which can fit around 24 regular MIB G3 ponies each.  She also has some smaller Ikea boxes that fit a quite a number of loose ponies.  Now, that settles the dust issue.  But all her boxes are stacked on the floor, so it does not solve the boxes-out-of-view issue.  That is one of the greatest headache about toy collecting - your toy collections invading your floor space, bit by bit, by bit…