Brand: E-Blox. MPN: CB-0774. FULL SET – This building blocks kit includes switches, LEDs, power board, battery module, & other parts to create different projects. Requires 3 "AAA" batteries. Parts compatible with Power Blox and Circuit Blox lines, LEGO, & other major brick brands.   FUN DISCOVERY – Through the joy of play and discovery, children can innovate, integrate, and be inspired as they plug-together different bricks and modules to create a variety of toys and games that light up and make sounds. Not your ordinary blocks!   LIGHT UP YOUR WORLD – Lite Blox is E-Blox's newest invention that makes it fun and easy to build awesome light up pictures and patterns. Place the LED Blox onto the power board to build unlimited light designs. Some blox even flash and change colors!   STREAM EDUCATION – E-Blox offers lessons in Science, Technology, Reading and Writing, Engineering, Arts, & Math through play and discovery. Designed to teach your child to investigate the world through storytelling, creativity, and systematic thinking.   FOR KIDS AGES 3+ – This Building Blox set is suitable for children ages 3 and up. Set includes an informational manual to guide your children as they safely build their very own masterpieces.