Instead of using stone or timbers, make an attractive, long-lasting retaining wall from pressure-treated plywood and trim boards. Construction is fast and simple, and the materials are much lighter to work with. How to Build a Retaining Wall - Summary
Inspiration - Cool Work Bench - The Garage Journal Board . Adi could make his work bench with curved leg support on piano hinges that fold in, and then the countertop hinges down on top of folded leg supports.