MindWare Q-BA-Maze Lights 2.0: (Mega Set) The Illuminated Marble Run Set

Experience the Q-BA-MAZE that will light up the night! Part art and part science, the Q-BA-MAZE Lights design allows for unlimited configuration options, plus motion-activated light-up pieces for excitement in the dark. Fun and educational toy: Strengthens STEM skills, physics, basic engineering, strategy, and fine motor skills. MindWare Q-BA-MAZE sets are fantastic for teaching children to experiment with engineering and 3D design. They're one of our brightest STEM toys for developing critical thinking and problem-solving skills. They light up! Watch in amazement as the marbles fly through the quadruple-exit cubes at random, flashing blue, green, or red until they land in a radiant white flash. Used some lights need batteries