Bambu A1* - An amazing 3D printer! It just works! Great for beginners!
Bambu A1 on Amazon*
PLA* - This is the PLA I use and can recommend for the price
Gaahleri Airbrush* - I absolutely love the 0.4mm airbrush for terrain!
Super Glue* - Gel form but provides a large bead. Great for 3D printed terrain!
Trees* - Just some normal trees! Take your pick!
Crop Fields* - Just get a welcome mat and cut it up!

Ulvheim Buildings
Tower and other buildings
Well
River Connections
Tree Bases (this one is not free)
Carts
Fences
Barrels

Rangers of Shadow Deep Episode II
Giant Spiders (make sure you scale these up in your slicer)
Cocoons

Rangers of Shadow Deep Episode III
River Terrain

*Affiliate links that provide a commission to me at no cost to you!