Iron Filings Variety, Pack of 3

Go beyond standard iron filings! Get three different results in your STEAM magnetism experiments! Includes three jars, each with a different particle size of iron filings: FINE/100 mesh size, MEDIUM/40 mesh size, and COARSE/20 mesh size. (Mesh size refers to the common size of the mesh of a sieve. Sieve not included. ) Each jar features a convenient, twist-top shaker lid with four options (sprinkle, sprinkle more, pour, or screw off the entire top). Reusable-put clean filings back into the jar! Pack is shrink wrapped to prevent spills in stores and shipping. Pack is three jars (12 oz each of 100% pure iron) plus an activity sheet with five cool STEAM activities (science, technology, engineering, art, and math). Magnets not included. SAFE - Conforms with ASTM F963 and CPSIA (US toy safety standards). Child safety tested for ages 6+. (Use common-sense caution: do not inhale, ingest, or get in eyes. ) Note: exposing iron to most liquids will cause rust., Weight: 2.58 Pounds, Manufacturer: Dowling Magnets