Comes with a free 3/8 neodymium cube magnet;1 Ounce putty in an easy to open container;This dark brown putty with a golden sheen is the strongest of all magnetic putties out there;Not intended for children under 14 years old;Called blackhole for its ability to swallow any magnet

• Super Space Magnetic Attractor Putty - Black Hole - 1 Ounce FREE MAGNET

Super Space Magnetic Attractor Putty - Black Hole - 1 Ounce FREE MAGNETPutty Playground