Balancing Act Set, Includes: 8 Black carbon atoms, 20 White hydrogen atoms, 26 Red Oxygen atoms, 26 Gray links for single bond, 32 Gray links for double bond, Makes learning to balance chemical equations fun and easy, Hands-on molecular models to simulate combustion reactions
Bonding and Structure Model Set, Immense help when learning organic chemistry, Has some very unique features, Among the 220 durable plastic components, there are a large variety of atom models with different orbital hybridizations, Has flexible and rigid links
Human Anatomy Deluxe Torso 4D, 15in model contains 54 detachable, hand-painted medical education-quality organs and parts and a display stand, Also includes illustrated assembly guide and description of the anatomy, Offer a unique puzzle challenge, For ages 14 plus
Natural size. Kidneys, ureters, adrenal glands and bladder with prostate as well as the large abdominal right kidney sectioned to show all anatomical details.
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