The lights aren't working! Is there something wrong with the circuit? It seems that the workers have not connected the circuits correctly, so you need to do it yourself. You just turn the block, successfully connect the circuit, and the light will come on! Different colors of lights need to be connected with the same color line, other colors cannot be connected successfully!
Playing roll the flow free online game support all smartphones or tablets, such as iPhone, iPad, Samsung and other Apple and android system.