How’s it going with your project for the coin cell challenge? You can only use a ... or even four. [Jeremy] is building a wireless Wii nunchuk, so he needs a small battery that won’t short ...

A set of challenge coins minted by the state of Montana — and designed by a Montana State University student — are intended ...

"Challenge coins" are little custom-made tokens used by military and police to commemorate campaigns and build team spirit. Most of them are innocuous, some are kind of silly, but many of them ...

This brings up challenge number one — the fact that ... Same deal with the giant half-dollar and smaller dollar coins. The basic sub-build is a pair of tile rails on which the coins slide ...