Now this is something exclusive, something pretty exceptional. We made this hut with a wood pallet on the base. And we used floral paper along with netting fabric. This could be an outdoor tent when they feel like spending some time outside.
My Boat Plans - Sailboat sandbox tutorial. You could use the sail as a tarp to cover the sandbox at night. - Master Boat Builder with 31 Years of Experience Finally Releases Archive Of 518 Illustrated, Step-By-Step Boat Plans