The perfect gift for your loved ones Whether for Valentine's Day or just because: With this glowing brick heart, you have the perfect gift for your loved one! With the 6-function Power Base, the heart lights up in a heartbeat rhythm mode. The STAX heart is about 7cm in size and is delivered as individual bricks in a polybag. The user manual for the Power Base can be found here. Contents: - 16 STAX Bricks 2x2 format red matte - Mobile Power Base Warning! Contains battery. Not suitable for children under 36 months. Choking hazard due to small parts.