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.
Science BioSigns Animal Cell Model, Hands-on interactive 14-piece model teaches about cell membranes and mitochondria, Provides a magnified and cross-sectioned detailing of an Animal Cell, Includes Guide