Geomag Magicube Free Building Set ages 1 It’s official! We have a new favorite toy in our house and it’s Magicubes! Our partnership with Geomagworld introduced us to these amazing little magnetic cubes that take building and creative play to a whole new level. These magical little building blocks stick together through a series of magnets inside the blocks which allow for amazing 3-D creations to be built from pyramids, to towers, to bridges to geometric shapes! Get a 27 cube set here (aff link)