When you are looking for Decorative Blocks. 
Centipede Edging
Centipede Edging interlocks each and every piece in ways limited only by imagination
length: 12" * Height: 3.5 * Width: 3.5"
Red * Black * Natural
3/4 Moon Block
The 3/4 Moon Block provides an unlimited number of ways to twist and turn the footsteps of its followers creating a memorable meandering walk.
Approx: 24"
Pea Stone * Natural * Meramac
Round Aggregate
Black * Meramac * Pea Stone
12" * 18" * 24"
Paver
Round or Square
12" and 18"
Gray * Red
Hexagon
Gray * Red * Pea Stone
18" * 21"