Nanodots are the worlds strongest magentic balls, so you need a serious piece of kit to break the magnetic field. Luckily the Nanodot Splitter can split, slice, dice & chop any Nanodot constructions with ease. If you don't like part of your design then simply put the Splitter into your Nanodot construction to break the magnetic field & rebuild. The Splitter comes with a Nanodot counter for you to create accurate & proprotiant constructions- just like a real architecht ey! The Splitter also functions as a magnetic field viewer for example the face & side & its credit card shape makes it extremely portable. Comes in a pack of 3.