Speks Original (2.5mm) Mashable, Smashable, Rollable, Buildable Magnets Office Toy and Stress Relief for Adults

SPEKS BUILDING MAGNETS: 512 rare earth magnets. Smaller in size but endless possibilities await.
CREATE: Build and engineer limitless shapes and structures.
STRESS RELIEF: From the board room to the dorm room, mash and smash stress away.
DOUBLE THE FUN: 512 rare earth magnetic balls (2.5mm diameter), metal building base, plastic splitter card, 16-page starter guide, and carrying case
AGES 14+ Keep away from all children. Magnet flux index less than 30.