Great for organizing toys, books, etc. $10 for each set of 3, or $20 for all 3 sets. 6 bins are 17" x 14" x 9"H. One top and wheels for each set of 3. Wheels can be removed to create a stack 6 high (see below). 3 bins are 16" x 12" x 8"H. One set of wheels for this set.