This kit provides hours of fun and educational play. You can build cool structures that illuminate to your voice or dance to sounds and music! A storage container is included to hold all of the pieces.Details:128 piecesRequires 3 AA batteries (sold separately)Directly compatible with other brick building construction setsLEDs workFor ages 8 and upContents:128 colorful building piecesBattery moduleSound activation moduleLED plateTransparent spacersStorage container