SCS Direct Light Up Building Bricks with On/Off and Dim Ability- Multicolor Lights of 40 Pieces - Tight Fit with All Major Brands 40 pack multicolor light up building bricks - tight fit with all major brands Contains 5 bricks of each color: green, white, blue, pink, red, orange, red/blue, and all colors All bricks have on/off switch and fully dimmable Tight fitting with all major brick building brands Affordable and unique set to complete your building bricks collection!