Apc+Cracklebox
From the MAKE Flickr photo pool

Member Farnea built this Tamagotchi-syled 2-in-1 noise machine combining and Atari Punk Console with a cracklebox circuit. No samples as of yet, but I’m imagining the “BURP!!” text may be somewhat of a description?

Related:
Atarilayout
Atari Punk Console schematics

198675045 0Bbf26B33B
Homebuilt CrackleBox