One of the stranger projects we’ve seen recently is Casper Electronics’ circuit-bent double Barbie karaoke machines.
In the video, sounds are generated by the modular synth (right) and two heavily modified barbie karaoke machines which have been mounted into a single housing (top left).
The synth is feeding through and being processed by one of the [...]

Casper Electronics has announced the C1 edition Speak series - a ready-to-order collection of circuit bent instruments, based on classic Speak&Spell type children’s toys. 
The C1 is available in three styles:

CS1 Speak&Spell
CM1 Speak&Math
CR1 Speak&Read

The C1’s sell for $250. 
 
For more info:

videos
sounds
user’s manual