Spongeface has indicated he's doing another run shortly:
viewtopic.php?p=4991092#p4991092 This is the same one that Adam Savage built a few years ago:
There's also the EctoLabs gizmo kit, it's currently sold out but you can be notified when he does another run:
https://www.ectolabs.net/products/gizmo-808d This one was also featured recently on Tested by Sean Charlesworth:
I'm not personally aware of any other offerings, everyone else seems to be 3D printing their gizmos. You may be able to find something on Etsy.