The Little Rebel, designed by Michael Massberg, is a small Amp, featuring a 2 LM386N-3 power amp, bringing 2W power to the speaker. It is mainly designed for overdriven rock sounds. It can use any speaker with at least 4 Ohm impedance.
The pcb dimensions: 138x41mm. It is professionally made, all holes drilled including silk screen.
Here are the docs: Rebel docs
Of course this project is also available as a complete kit!