Various Windsurfing / Windfoiling boards and sails:

Starboard Free Formula Board: Very strong and water tight, reinforced deep tuttle box. Can be used with fin or foil. Excellent for anyone learning to windfoil. Very similar to the Starboard Go Fly board:
https://windsurf.star-board.com/windfoiling-boards/go-fly-learner-windfoil-board/
Board only $400
Can supply a complete rig at extra cost.

Sails:
Phantom Iris Rf 8m race foil sail, can be used on fin or foil. $ 450.
Also consider swar for Ezzy sail between 6-7m in size.

Also have mast and boom to make a full rig for the above sails at extra cost.