With 2 small and 1 large dice concrete cubes there is already a lot to build.
a furniture for your entry hall big enough to store your board or even your Brompton (yes, it fits!), a logs storage, a minimalist TV bench, a hifi unit to place your record player and store a bunch of vynil records (about a hundred in each small cubes, 200 in the large one), a bookshelf for your kids...
What will you build today?
colorless water and oil repellent matt varnish
Outdoor covered use
For outdoor use under cover, protected from rain and sunlight. Off-season, cover them with a 100% waterproof polyester cover: waterproof, UV resistant and air permeable.