Vintage Classic 1978 Motorised Construction Box Sets A No.4 With Electric Motor - Brand New Factory Sealed Shop Stock Room Find. Released in 1978 as part of a series of Motorised construction box sets. This fantastic Construction Set is Box Set Number 4 and contains all of the components that you need to build 63 different models with step by step manual which shows you how to build them one at a time. This motorised set also includes a battery operated motor that can be used in many models where power is required. Brand New Factory Sealed Shop Stock Room Find. Discovered in the store room of a closed down shop with a whole host of other construction sets from a similar era. Although the box lid is open, the components are all still attached to the box by the original film from 1978. All orders received before 4.00pm Monday to Fridays are shipped the same day.