Little learners will love exploring the world around them with this colourful periscope made especially for small children on big adventures. As children have fun discovering their surroundings, they won’t even know they’re learning! The Sneak and Peek Periscope This fun periscope was designed especially for early learners by a scientist and mother of two young children. It allows little learners to see a natural hidden world with ease, and we’re not the only ones who think it’s great!