This enlarged model of Amoeba proteus is magnified approximately 1000 times for detailed study. A small pseudopodium can be opened to reveal the internal structure as seen under electron microscopic magnification. The model separates into 2 parts. Mounted on a base with explanatory notes and supplied with an English key card. The model measures approximately 42 x 30 x 9 cm and weighs approximately 2.5 lbs.