It’s always fun to discover modules with a different slant on things. The ADDAC503, or Marble Physics, is a CV source that models the behaviour of a marble on a square tray...
Qu-Bit’s Wave is presumably named after the Wave (wav) format samples it plays — up to four of them at once. A 4GB MicroSD card is included, ready-populated with drum hits, vocals, synths and sound effects, easily enough to get you going...