Plastic lens with 2x magnification plus inset lens with 3x magnification. An excellent aid to observation. Assists children aged 12m+ with their understanding of the world through exploration and observation. Smooth, wooden handle and magnifier border is easy for little hands to hold. Features 2 magnifications - 2x and 3x - to assist with observation. Help children connect with and learn about natural environments by using these viewers to capture samples. Lens measures 3.9" diameter.