Vintage Retrospective Goods Speks Silver SPEKS512 Magnetic Building Blocks - Creative STEM Toy for Kids & Adults, Perfect for Home, Office & Travel Play

SPEKS features: Meet SPEKS, 512 mashable, smashable, rollable, buildable, captivating rare-earth magnets. The ultimate fidget toy for work or home, SPEKS will inspire, entertain and challenge your mind. Ages 14 and up. Silver. Box: 5" x 1.75" x 1.75". Cube: 0.75" square