Magz-ElectroCubes 32 Piece Magnetic Light Up Building Set

It works with 2 AA batteries (Not Included) or a USB cable. The set includes 30 light up magnetic blocks one magnetized light up base and a USB cable. Manufactured by Magz. One base can feed up to five sets or 150 blocks. Collect more and build larger structures. You can build high rises robotic figures and anything that you can imagine. You also can build your own Night Light. The cubes measure 1.25 x 1.25 x 1.25. MAGZ "Electrocubes" is a unique building set consisting of magnetized cubes that light up when they connect.