Amino acid Set of 20 Model, Build the 20 amino acids most commonly occurring in nature, Study the structure and characteristics of each amino acid to determines their unique role in protein structure, Each of them has specific characteristics, defined by the side chain
4D Anatomy Human Heart Model, 4.5in model contains 32 detachable, hand-painted medical education-quality organs and parts and a display stand, Also includes illustrated assembly guide and description of the anatomy, Has unique puzzle challenge, For ages 8plus
Aquarium light attaches to your AquaSprouts Garden and employs energy-efficient color-changing LED technology. Use the handheld remote to choose one of 16 different color spectrums, adjust intensity and brightness, or choose the fade, smooth or strobe feature from up to 30 feet away