Okay kiddo, so imagine a photon is like a tiny ball of light that travels really fast. Now sometimes when a photon moves, it creates something called a magnetic field, which is like a special force that surrounds it. This magnetic field makes the photon behave differently than a regular ball of light.
You know how magnets stick to the fridge, right? Well, magnets have a north pole and a south pole, and opposite poles attract each other. The same thing happens with magnetic photons - when the magnetic field is pointing in one direction, it attracts things that have the opposite type of magnetic field.
So when a magnetic photon comes near a magnet, it can actually interact with it and cause it to move or change in some way. This is really useful in things like MRI machines or computer hard drives, where we need to use magnets to store information or take pictures of the inside of our bodies.
So even though a magnetic photon might sound complicated, it's really just a tiny ball of light that has a special force around it that can interact with magnets!