littleBits Accessories - Brick Adapter
The Brick Adapter enables you to easily snap littleBits modules to LEGO bricks. Each pack comes with brick adapter studs and sockets.
With brick adapter studs, your littleBits modules will defy gravity! Simply snap adapter underneath your LEGO bricks and press the feet of your littleBits modules into place.
With brick adapter sockets, you can mount your littleBits modules on top of LEGO bricks. Simply snap the adapter on your LEGO bricks, and press the feet of your littleBits modules into place.