It's time for some construction fun with the Geomag Glow Magnetic Construction Set - 25 Pieces. This Geomag set is dedicated to everyone who wants to play with an explosion of colours. Watch as your Geomag models light up in the dark thanks to the glow effect. What’s more, the practical storage boxes to keep the rods and spheres in neatly, as well as always with you, are also made of 100% recycled plastic. Geomag is an educational STEM product, which stimulates and develops the imagination, creativity, logic, dexterity. Magnetic rods, steel spheres and interlocking panels