It sucks they weren't in the box to begin with, but you would've ended up buying some sooner or later & it's good Lincoln is sending some your way, just make sure you double check the size for the wire you're using. Lincoln Electric is a very reputable company.....their machines are "Miller Killer's". It's never too late to learn to weld, while your "practicing", look into a community college welding course....or 5. You'll find things to weld that didn't need it. The Gel is for the nozzle when MIG welding, which you would have to buy an adapter set-up for, I believe yours is set-up for flux core only, out of the box. A good hood with auto-lens is one of the best investments for any welder, the hand held face shield you don't need anyway, so you're not missing anything there. Good luck & be patient.....you'll put down a roll of dimes in no time. If you want to see something welding related and you have Instagram, search user "weldporn"....amazing stuff.
As for the OT forum comment, just messing around. The OT forum is "generally" (used loosely) for non Plymouth, Dodge, etc car specific threads....or something like that.....might be explained under the Off Topic forum header.
Just copied & pasted from the Off Topic section:
Use this forum to post threads of interest not mopar car or truck specific. Religious or political threads are not allowed and will be deleted.