These are the basic objects of the game.
Various mechanical components.
Basic electronics.
Electronical components most often used for making robotic machines.
Signaling components with one input socket, and one output socket.
Signaling components with two input sockets, and one output socket.
Miscellaneous signaling components.
Various tools and eye candy.
Objects with focus on player interaction.
Various game related objects, including objects commonly found in the Adventure mode.
These are unused objects that have been found inside of the game. Most are usable, but have weird quirks and behaviour.