Emirates Spinnaker Tower two large, white, sweeping metal arcs, which give the tower its spinnaker sail design. The steelwork was fabricated by Butterley Engineering. At the top is a triple observation deck, providing a 360° view of the city of Portsmouth, the Langstone and Portsmouth harbours, and a viewing distance of . The highest of the three observation platforms, the Sky Deck, has only a wire mesh roof, so visitors are open to the elements. The windows extend above head height, so it is not possible to get a view unobstructed by glass. A glass floor is located on the first viewing deck
Spinnaker Software get Spinnaker more shelf space at retailers. The first new product line was a collaboration with toy manufacturer Fisher-Price. Spinnaker was responsible for creating, marketing and distributing the software and paid royalties for using the Fisher-Price name. In October 1984 Spinnaker founded two subsidiaries, the Telarium Corporation and the Windham Classics Corporation. Telarium was initially named "Trillium", but Spinnaker changed the name shortly after its announcement and before launch to Telarium when another company claimed ownership of the Trillium name. Both corporations published adventure games (interactive fiction) based on literature works. The target groups were different, Telarium geared toward grown-up