With E-Blox you can build 3D circuits directly into your brick structures, so they can come to life with light, sound or motion! Compatible with other popular brick products, they offer a great addition to any STEM program. The lights and motion set features LED blocks that emit colorful lights that flash and change colors, creating a stunning light display. Step-by-step instructions show you how to connect the motor and gear. Once those are connected, you can stack the LED blocks in any configuration to make creative structures that rotate, flash and have color changing effects. Includes 25 LED blocks. Requires 3 AA batteries, sold separately. For ages 8 and up.