Periscope - How Things Work, EDUCATIONAL VALUE: STEAM-focused National Geographic science toy that combines learning with hands-on building experience for ages 5 and above DESIGN FEATURES: Build-your-own periscope that extends up to 29 cm, allowing observation around corners and over obstacles LEARNING EXPERIENCE: Includes detailed instructions and fascinating facts about periscopes and optical principles to understand how things work CREATIVE PLAY: Beautifully styled 3D puzzle construction using card materials, perfect for developing building skills and imagination PRACTICAL USE: Once assembled, functions as a real working periscope for viewing objects outside direct line of sight, Manufacturer: University Games