A perfect diecast replica of a Merchant Navy steam locomotive is the task for Hornby's design team. Engineer Chris tries to capture the authentic sounds of a Light Pacific loco.

Experienced designer Carl has a challenge on his hands attempting to recreate a First World War biplane as a 1/48th scale Corgi model.

Designer Sam creates a model of Winston Churchill's funeral wagon and first-time modeller Simon builds Britain's biggest model railway layout from his memory.

The team at Hornby are creating a replica of the West Coast Mainline train the APT to top speed.

Hornby's young designer Paramjit Sembhi takes on the challenge of building a new version of the iconic RAF fighter of World War II, the Spitfire.

After visiting an original Mosquito at the de Havilland aircraft museum, Airfix designer Paramjit attempts to shrink the wooden wonder to 1:72 scale.

The Intercity 125 gets an overhaul and the pressure is on to design two quick build models of the Ford Mustang in time for the summer holiday.

Young designer Tom has his work cut out creating a new model of the record-breaking British jet the Vampire with its unusual space age look.

The Hornby team race to complete a model of the giant P2, The Prince of Wales locomotive, determined to be the first to bring a model of this giant to market.

Hornby's Scalextric team attempt to tap into the brand's glory years, the 1980's, and devise a plan to create a model of a classic supercar, the Lamborghini Countach.

The iconic Locomotive Flying Scotsman is scaled down 120 times from real life, rendering some features almost invisible to the naked eye, or too small to even mould.

Young designer Prad has just 30 days to reinvent the model railway starter kit, while musician and host Jools Holland reveals his incredible 45-foot layout hidden away in his loft.

Hornby prepares for a right royal year with a miniature 1930s classic 'Coronation' train including the elegant 'Beavertail' observation carriage.

Music mogul Pete Waterman is recreating the section of West Coast Mainline where he spent his Saturdays as a child. New technology allows the public the ability to control the trains.

Paramjit works on a Buccaneer fighter jet in 1:48 scale, complete with folding wings, extra armaments and exposed engine bay.

The Hornby team attempt to replicate the legendary 9F steam locomotive using new design technology.

There's a huge challenge for designer Phil to get the iconic curvature correct on Hornby's latest range of A4 locos.

Designer Phil takes on his toughest challenge yet - an entire reinvention of the Black Fives, encompassing all 842 variations.

For the first time in 50 years, the Airfix team attempt a 1:24 scale kit of a Spitfire. Will designer Chris be able to capture the iconic warbird in sufficient detail?

In this special episode, company staff, enthusiasts and celebrities pick the top ten products and innovations that have most impressed and inspired them across the years.