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.
Enlarged 20,000 times. The model shows delicate structure of an animal cell. Features organelles nucleus, endoplasmic reticulum, mitochondria, ribosomes respectively polysomic and Golgi apparatus. Also showing centrioles, lysosomes and fat vacuoles.