The new brick will make play more interactive for kids and families. Sets with the new brick will release in March, and preorders start in January.

The new Star Wars sets, which incorporate Smart tech, might be cool — but fans are not abiding by the rising costs of basic sets or Lego's direction

The Smart Brick looks very similar to a normal 2x4 Lego brick, but it contains a custom Application Specific Integrated Circuit (ASIC) chip which is smaller than one of the studs on the brick itself. It’s joined by an accelerometer and a copper coil, and Lego has created its own Play Engine and Neighbor Position Measurement (NPM) system.