Fischertechnik is a brand of construction toy. It was invented by Artur Fischer and is produced by fischertechnik GmbH in Waldachtal, Germany. Fans often refer to Fischertechnik as "FT" or "ft". It is
15×15×30 mm (plus peg) standard block in original gray color
The fischertechnik da Vinci construction set can be used to recreate inventions by Leonardo da Vinci such as this file cutting machine.
Fischertechnik computing with a Commodore 64 interface
Lego pneumatics is a variety of Lego bricks which use air pressure and specialised components to perform various actions using the principles of pneumatics.
Loader with studless pneumatics from 2003