Get the first course of landscape retaining wall blocks right Use a torpedo ... level to keep each course level and even. Set ...

These can be used to build anything from fences and retaining walls to public ... throw in [the leftover plastic], make a block, then stick it in the wall,” says Heidi Kujawa, who founded ...

A yard with a steep slope can be difficult to landscape. Build a block retaining wall to add level tiers to your yard, which prevent erosion and provide a perfect place for a flower garden.