Discovery Kids Outdoor Adventrue Detective Periscope with Compass Precise Optical Lens with 4X Magnifcation: Outdoor Adventure: Detective Periscope with compass: See around Obstacles: Extends up to 22 Inches High: Outdoor Adventure: To change from straight ahead viewing to upward viewing, simply rotate the e switch on the side of the periscope: Use compass for the directional guidance: Use Knob to bring objects into focus: Adjust the height of the periscope by extending or retracting the tube: