I made my goggles from scratch using led TV lights, a pair of steam punk goggles, and two pill bottles for the iner tube. Then backed it with plastic.
The ones they use cost about $90 now.link to goggles used
I dont know if your looking for the mask or the goggles but the goggles are party digital glasses I found on amazon: https://www.amazon.com/picK-me-Rechargeable-Eyeglasses-Switching-Nightclub/dp/B081L4ZSYX/ref=sr\_1\_1?crid=24HJQBQ53Q1EG&keywords=pick-me+Oluote+LED+Party+Glasses%2C+USB+Rechargeable+LED+Light+Up+Eyeglasses%2C+Work+for+10+Hours%2C+8+Dynamic+Pa...
This is cool! If you can, replace those tubes with some yellow ones. You can find them on Amazon here: https://www.amazon.com/Feelers-Natural-Speargun-Slingshot-Catapult/dp/B093WFQ6RX/ref=pd_aw_sim_0?pd_rd_w=8roaq&pf_rd_p=17120cac-0ea4-45b7-8223-543e29aad927&pf_rd_r=7M21BCN01D3JWMB71K5Q&pd_rd_r=9f74207c-19a6-44c2-baf2-14664eb7c3db&p...
The injector is a flavor injector for BBQ, for pushing brines or other seasoning liquid mixes deep in a hunk of meat like a turkey or a roast or a brisket.
Here is a random first one I found googling for "meat injector gun" https://www.amazon.com/SpitJack-Magnum-Meat-Injector-needles/dp/B003WQIAR4/