Disclosed is a magnetic housing assembly which may have a housing body, a first capping structure; a second capping structure; a water-tight chamber defined by the first capping structure and the second capping structure; a ratcheting face; a magnet enclosed within the water-tight chamber; at least one ridge on the perimeter of the housing body, where the magnet can flip to reverse polarity within the water-tight chamber, where the ratcheting face is configured to allow adjustment of the assembly when connected with another structure also having a ratcheting face. Also disclosed is a system including a structure configured to house the plurality of magnetic housing assemblies while exposing a surface of the magnetic housing assemblies.