From the creators of Buckyballs and Zen Magnets, comes Speks. 512 two-tone denim (blue), mashable, smashable, rollable, buildable, puzzling, and world famous, all-you-can-build with, magnetic balls. Adults ONLY; not for children under 14.
- 512 rare earth magnets
- Each Spek is 2.5 mm
- Includes metal building base, plastic splitter card, carrying case
- Comes with 16-page starter guide
- Adults ONLY; not for children under 14