Catan 3D Edition for $167.99 (44% off)

If you’ve got $200 burning a hole in your pocket you can buy a premade 3D set.

As for DIY, the options seem pretty much endless. I feel like modeling clay could be a fun medium to work with. Paper mache could be fun too, but you’d probably have to handle it fairly delicately. Plaster and gauze is a messy but fun thing to play with as well.