The Mattel toy company has produced a few video game systems.
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Mattels first video game system, Intellivision is the first system to use a 16-bit processor. The added power allowed more complex games, making this system very popular, and the first serious competition to Atari.
Intellivision games include a controller keypad overlay which allows dedicated keys to be assigned without software/display overhead.
Marketed by Mattel as a home computer, this severly limited system was often called "a video game console with a keyboard" - click the photo to visit my entry on the Aquarius home computer.