Magformers Magnets in Motion Set - Engineering Magnet Toys for Brain Development - 300 Pc Set Formerly Known as Mega Brain, this set includes carnival, construction and power gear accessories. Biggest and Best Magformers Magnets N' Motion Set! Neodymium Rare-Earth Magnets for guaranteed connectivity. ABS plastic magnets conform to CE, ASTM, and EN91 Compatible with all Magformers shapes and accessories. 2014 Holiday Gift Available only at Amazon! Biggest and Best Magformers Magnets N' Motion Set! UNIQUE EXCLUSIVE PIECES INCLUDED! An educational experience that's FUN! Conforms to CE,ASTM and EN71