About the Mega Nanodots 64 Silver

Nanodots are kick-ass, take-no-prisoners, juiced-up super magnets. Mega Nanodots are their bigger, badder cousins! These powerful magnetic constructors are milled from Neodymium, the world's strongest permanent magnet, and each dot is electroplated for durability and precisely crafted for the formation of magnetic structures. Each Mega Nanodot is 15mm in diameter (27-times the size of the regular Nanodot) and come in 64-count tubes. Each tube of Mega Nanodots also includes 20 beginner challenges