3D Construction Kit was a utility developed by Incentive, enabling end-users to develop games using the same Freescape system they had employed in games such as Driller, Dark Side and Total Eclipse. The utility was marketed by Domark.
Video
A video tuturial was distributed in the package, on a golde WHS tape. The video tuturial demonstrated contruction of the Freescape enviroment (Atari ST and ZX Spectrum).