Mitochondria! Rough Endoplasmic Reticulum! Centrioles! Nucleolus! Not to mention Ribosomes! All the mysteries of the animal cell, unveiled! This super-detailed model of one of the building blocks of life features cutaway sections of the various cell parts to give you an in-depth look at processes within. Touted as a "new type of puzzle," the model features 24 highly detailed prepainted parts that can be removed and reinstalled. Includes an illustrated guidebook (in Japanese) and a stand. Great for students of biology!