Easy to construct the three dimensional model of DNA. Emphasizing the base pair sequence and function of DNA, the sturdy, colorful bases snap together in the correct sequence, and the pairs attach to a center rod representing hydrogen bonds.
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
Human Anatomy Eyeball Model 4D, 4.5in model contains 35 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 8 plus