Sure, you could make your own large format pinhole camera, but it probably wouldn't be as cool and as simple as this one
Ilford has teamed up with camera maker Mike Walker of Walker Cameras to make the Harman Titan, an injection molded pinhole camera aimed squarely at the education market, but that we would love to get our hands on. The camera will retail for £150, with Ilford needing to sell at least 1,000 of them to make it worth their while — a number I don't see them having any trouble hitting.