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Plastic wall sections which fit between upright metal rods fitted into a plastic baseboard. These sections comprised a variety of brick effect wall pieces including corner parts, doors, various sized windows, curved windows and wall parts and various special parts whose availability varied over the years. The more standard of these parts included arches, columns, beams to span larger spaces, garden fencing / parapet edging, bay window and porch roofs, and three tread steps. Other less common parts included dome and pinnacle roofs and crennellated battlement sections. Later sets had garage doors and telvision aerials. Early roofs were one piece mouldings whilst later ones came in two flat parts plus two gable ends. Roofs came in a range of sizes and the one-piece roof range included a gabled add-on roof. Chimneys were supplied to sit on top. Thin plastic sheets in various sizes with holes for the rods around the edges allowed for flat roofs or internal floors. Metal tie parts could be included after each storey to help keep the rods the correct distance apart and the building stable.

Apart from very early sets, the Plimpton sets had red and white wall parts; dark green windows and doors; red roofs and chimneys; white gable ends, beams, parapet edging and columns; red arches and porch roofs and grey steps.
The Meccano range kept the same part designs (although in a more limited range) but in different colours. Windows became orange-yellow, roofs pale green and white wall sections became a cream colour.

category other construction methods
materials plastic and metal
date mid 1930's to late 1960's
made by The Plimpton Engineering Company, Liverpool, England
then Meccano, from 1959


This illustration shows all three types of roof

links to further information

Geoff Lilleker provides copious information on the history of Bayko and the set contents.

Vast amounts of Bayko information can be found on Pete Bradley's Baykoman site along with pictures galore.

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