This functioning radio was built for my electronics module where the brief was to build a radio receiving circuit (the yellow board). We far exceeded the requirements by adding batteries, a switch and a speaker instead of headphones. In order to do this an additional amplifier circuit (red circuit board) was required to power the speaker. Having gone out our way to make a fully working radio, the group opted to go one step further and mount the components in an acrylic box.
The schematic for the circuit:
