It needs to be able to be put in between 2 strong magnets and block their charges from affecting each other. It needs to be available within a typical town somewhere, so i can get it. I need it, but I don‘t have wings to go far to get it if you know what i mean.
Mu-metal is the best material there is. pedia: Mu-metal is a nickel-iron alloy (approximately 77% nickel, 16% iron, 5% copper and 2% chromium or molybdenum) that is notable for its high magnetic permeability. The high permeability makes mu-metal useful for shielding against static or low-frequency magnetic fields, which cannot be attenuated by other methods. The name came from the Greek letter mu (μ) which represents permeability. A number of different proprietary formulations of the alloy are sold under trade names such as Mumetal, MuMetal, and MuShield. Mu-metal typically has relative permeability values of 80,000–100,000 compared to several thousand for ordinary steel. In addition it has low magnetic anisotropy and magnetostriction, giving it a low coercivity that results in low hysteresis losses in AC magnetic circuits. Other high permeability nickel-iron alloys such as permalloy have similar magnetic properties; mu-metal's advantage is that it is more ductile and workable, allowing it to be easily formed into the thin sheets needed for magnetic shields.
If you can order things online, you can order yourself a superconductor from Edmund Scientific (about $50) and get some liquid nitrogen (available in most towns, costs less than a bottle of soda for the same amount) and use a supercooled superconductor to block the magnetic field of one magnet from the other (and levitate them, since the superconductor when cooled enough pushes away nearby fields).
