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Abacus includes 10 rows of 10 beads in 2 colors grouped in 5s for ease of use
Premium Quality: Magnetic Needle is made of high-grade construction all the way through
Double Aluminum Pulley in line
Comprising five glass tubes in a frame and supported in a water trough
Electric Magnetic Field Digestive system model Abacus includes 10 rows ofSet of 3 Demonstrator Magnetic pcs. Set of three conductors (linear circular solitary) to visualize the magnetic fields created. The base of each conduit has built in iron chips in special liquids to create the selected field. Premium Quality: This product is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for
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