scs direct light up building bricks with on/off and dim ability- multicolor lights of 40 pieces - tight fit with all major brands scs direct light up building bricks - multicolor lights of 40 pieces - tight fit with all major brands. each comes with 5 pieces of each of these colors (8 different kinds): green, white, blue, pink, red, orange, red/blue, all colors. each brick has an on/off switch and is fully dimmable. this affordable set will complete your collection.