MEGA Nanodots are a throwback to the collectible marble sensation of yesteryear, but with a magnetic twist. Striking a balance between kinetic and magnetic forces, these super-sized Nanodots(TM) let users experiment with the forces of Newton’s cradle, solve challenging build puzzles and play “Grow,” the Nanodots game of war. Available in packs of 30 and 64 pcs in three colors: Titanium Spectra, Black and Silver.