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. Comes with 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. Classroom set features 180 total pieces, plus instruction manuals and online curriculum. Requires 12 AA batteries, sold separately. For ages 8 and up. Ships directly from the manufacturer, please allow 1-3 weeks for delivery.