The more brain cells you have, the smarter you are. GIANTmicrobes(R) Original (5-7" plush doll) $9.50 GIANTmicrobes(R) Petri Dish (3 mini microbes) $14.50 GIGANTICmicrobes(R) (15-20" plush doll) $29.95

Brain Cell (Neuron) Egg Cell (Human ovum) Fat Cell (Adipocyte) Nerve Cell (Neuron) Platelet (Thrombocyte) Red Blood Cell (Erythrocyte) Sperm Cell (Spermatozoon) Stem Cell (Hematopoietic stem cell) White Blood Cell (Leukocyte)