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Pea seed germination model traces cotyledon splitting
Two-speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs
6oz each in a 4-pack for chemistry-themed home entertaining and science enthusiast gifting
Studies oblique collisions between steel balls on a flat surface
500-Piece Teacher Molecular Model Set Botany_Botany Models Pea seed germination model tracesHeavy duty 500 piece teacher molecular model set with 230 atoms and 270 bonds, including 100 long flexible bonds for delocalized representations and crystal lattice construction at scale.
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US$ 112.50
US$ 62.00
US$ 134.00
US$ 36.49
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