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cause & effect
SKU: ERSPAC0011011
Erases cleanly and easily with a dry cloth or Expo eraser
propellers
SKU: ERSCK-3407-2
Alnico Bar Magnets 2in 2-pk Mirrors cause & effectMPN: 005027 UPC: 094051310126 Sometimes simpler is better! Economical magnets in a basic bar shape feature an opposite pole on each end, creating an interesting arc shaped magnetic field to explore. Ideal for activities that do not require a lot of lifting power. Learn all about magnetic polarity! A great demonstration and experimentation magnet! Each pack includes 2 alnico bar magnets with North and South poles stamped. Each magnet measures 2"L x .
