The Pocket Telescope and Microscope combines 2 scientific instruments in one! Use the whole pen unit as a telescope to view distant objects at 8X magnification. To take a closer look at bugs and objects remove the end to reveal a mini microscope boosting 30X magnification. The Pocket Telescope and Microscope measures 15cm in length and includes a metal pocket clip. Dimensions: 11.30 x 2.00 x 16.20 cm