Bring your magnetic creations to life, even in the dark! With an included LED light, write messages on your glow in the dark tiles and turn off the lights to reveal the magic! Magna-Tiles help develop math, science, spatial and tactile skills. STEM approved! Safe, durable and built to last for years. Includes 16 glow in the dark shapes, including 4 squares and 4 each of 3 different triangles: equilateral, right and isosceles. For ages 3 and up.