The colorful LED blocks emit colorful light, while the colorful transparent spacers allow light to pass through them, creating a stunning light display and bringing your creation to life! An instruction sheet is included, which gives you step-by-step instructions on how to connect the multi-function controller module, voice/sound controller module, color-changing lamp module, and battery block together. Once those are connected, simply stack the transparent spacers and watch your creation light up in different colors and dance! Includes: 4 multi-function controller modules, 4 voice/sound controller modules, 4 color-changing lamp modules, 4 battery blocks, 96 LED blocks, 432 spacer blocks, 16 - 1 x 4 wire blocks, 16 - 1 x 1 wire blocks, 4 USB jack blocks and 8 base grids. Perfect for ages 8 and up. Includes building manuals and reusable storage case.