Welcome to the creations of Marcus de Mowbray, aka Captain Bubble.

I am a craftsman, inventor and musician based in London, England. I have always been interested in music, mechanisms, photography, history and technology. I play a variety of instruments primarily ukuleles, drums, timpani and percussion, and I invent and make a wide variety of percussion instruments and accessories. I also make props for TV, Stage and Museums. I write music and songs and have now made 3 solo CDs under my stage name Captain Bubble.

Poly Tone Beaters

A rhythm played with Soft Poly Tone Beaters.

Tinkerbell and Plato – I Wish I Was A Single Girl Again

Tinkerbell and Plato play Swiss-Mongolian-Kentuckian-Hillbilly style, live at the Studios

Tinkerbell and Plato, Garlands of Fairies

Recorded live at the Studios.  Playing the drums with my Poly Tone Beaters

A busy day at the chain factory


50″ (1.3 meters) of brass chain hand-made for a new Gallinae Priemis which I am making. My side-cutters fatigued and broke, and my hands were sore and blistered by the end of work even though I was wearing work gloves. Well, at least the nastiest part of the job is now completed.

Gallinae Priemis (Spring Chickens)


Just repaired, an automaton I made about 30 years years ago loosely based on a device made by Gallileo to study acceleration.

London Taxi and Bus Game

Part 2, the Routemaster Bus

London Taxi and Bus Game videos

Two videos of the game, now complete and ready for sale. This is part 1 the Taxi