Lock And Key Strategy

It Consists Of 4 Locks Of A3 Size And 4 Keys Of A4 Size, Each Set Contains A Different Color, Writable, Erasable And Thermally Wrapped. It Was Collected In An Elegant Envelope That Preserves Your Investment, To Which Magnet Strips Were Also Added This Strategy Can Be Applied To All School Levels, Especially The Elementary And Intermediate Levels. It Is Suitable For All Students Of All Skills, Levels And Mental Abilities.