Build your own backyard boat sandpit using the free woodworking instructions available at the link. The sail will provide a bit of shade and there is even a place to sit.
At the link you will find free woodworking plans to build a sandbox for children. This one features a built-in bench.
This sandbox features a seating area and a chalkboard with space to mount a basketball hoop if you like. Keep the cover closed when not in use. Free plans available at the link.
Build a sandbox that has a cover as well as a canopy. Here are the free woodworking plans.
Build this awesome covered sandbox using these free woodworking plans. When folded open the cover becomes a bench.
Build this backyard timber sandbox complete with cover and seats for the children. Here are the free plans.
Build this sandbox for the backyard using these free plans. When not being used the backrests fold down to provide a cover for the sandbox.
Build a raised sandbox with planter using these free instructions.
Build a covered sandbox for the backyard using these free step-by-step instructions.
Build this sandbox with benches using these free woodworking plans.