E.Block

 is a tech and Brainiac element in The Sandbox Evolution.

Summary
A solid wall which can be activated or deactivated using the E.Block Switch.

Uses

 * Electronic doors.
 * Collapsing floors.
 * Blocking NPCs, liquids, etc.

Trivia

 * It can be difficult for new or inexperienced players to figure out how to use this. There is a guide available on The Sandbox Evolution's official forum, click here to see it.