The uplifting device comprises two ballcocks and an adapted hairdryer – but it's not perhaps the most barking creation to spring from the fertile brain of 54-year-old John Ward.

The Gedney genius has just built a miniature pub for a dog, complete with its own cosy living room and tiny bar.

Mr Ward, who built the pie-shaped paradise for his friend's pug Mozart, is also responsible for all manner of weird and wonderful creations which have given him worldwide recognition.

He first shot to fame with the Hutch Home which he built for his mum's rabbit and featured a carrot-shaped car.

John has also invented the Back Pack Snow Machine – which spews out polystyrene snowstorms as you go – and the motorised hospital bed for people suffering because of the bed shortage.

He was a regular guest on Chris Tarrant's Prove It show and was appointed Minister of Inventions for the Monster Raving Loony Party.

His latest creation came about after he decided his landlord friend Mike Pichel-Juan's pug Mozart needed a kennel.

Mike runs the PJ Pie Pub in Boston with girlfriend Helen Baxter and John's idea snowballed and resulted in him building PJ's Pie Pup.

The 4ft by 3ft haven has a pie-crust roof, its own cosy living room with wood-panelling, a stone-effect fireplace and a heart-shaped rug, with curtains hanging on bone-shaped glazed windows.

John said: "The pub specialises in pies so I thought there was nothing better than a pie-shaped one with stone brickwork.

John, who previously worked for Barclaycard, does after dinner speaking and is working on another dog home.

He added: "I'm growing old disgracefully. Inventing has always been a hobby. It keeps me off the streets and I really enjoy it."