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Magnetic Field Pattern Window -Transparent Magnetic Field Pattern Window -Transparent
A white frame with transparent window containing magnetic powder in a water based solution for showing magnetic field patterns. When a magnet is present the particles of iron inside become slightly magnetized, so they attract each other...
Periodic Puzzle by AuChemy -Add-on Sets #3 to #10 Periodic Puzzle by AuChemy -Add-on Sets #3 to #10
Expand upon our Periodic Puzzles by AuChemy Intro Set with these additional intermediate and advanced chemistry puzzles. The Intermediate Puzzle Sets # 3-6 (4 puzzles) teach Atomic Theory, Chemical Bonding Theory, Chemical Bonding Lewis...
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