With colorfully-Illustrated, easy-to-follow manuals designed
by educators to develop a step-by-step understanding of science
CHEMISTRY IV
s24
99
Does all the experiments of the smaller
sets plus dozens more .. using centrifuge,
spectroscope, magnet, beam scale, 32
chemicals and 9 test tubes
Look in on the
invisible world ..
MICROSCOPE SET
$14
99
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