Light Up plastic construction blocks use LED technology and are compatible with your existing traditional sets! Each block lights up as it is connected to the power base or any other lit block. No special connectors or wires are needed. 3 AAA batteries required (included). 12 and 36 piece sets have one power base. 102 piece set has two power bases. Expansion pack does not include a power base
Led Light Up 12 Building Blocks
Led Light Up 12 Building Blocks
$19.95