Some really interesting sounding kits, unusual sensors, and other cool stuff. They seem to be aiming at the advanced science fair type of audience.

They have been in the surplus biz for 50 years, and it looks like they still have some of their original stock for sale!

The web site looks decidedly low tech, but they have some amazing stuff.

This is the sort of place to look at when you really don't know what you are looking for!