Lego's high-tech Smart Brick is dividing its adult fanbase

Lego unveiled its upcoming Smart Brick technology at this year's CES.

Lego

• Lego's newly announced Smart Brick is proving polarizing among its fanbase.
• It's Lego's latest exploration into bringing technology into its traditionally analog toy sets.
• Adult Lego fans told Business Insider how they felt about the move.

Small speakers hum as two "Star Wars"-themed Lego lightsabers clash. Lights beam from the top of a Lego-built airplane. A roaring engine sound kicks...