Have you ever wondered how a shark sees the world? Do you want to see like a T rex? Unique glasses allow you to see the world in over 17 different ways! 22 interchangeable lenses with this optical science kit Learn about the science of sight with the informative leaflet What does the world look like if you are a baby? How does a cuttlefish see its underwater world? Just pop on these cool glasses and you will see the world through others eyes! 22 interchangeable lenses allow you to see in more than 17 different ways or create your own! Lenses include wide angle, coloured, polarised, split vision, faceted, spectrum and more. Did you know that a dragonfly has up to 30,000 lenses in its eyes! Did you know that an ostrichs eye is bigger than its brain! Learn about the science of sight with this Informative, full-of-facts leaflet. Includes fascinating information about seeing like a rat, eagle, bee and more. Price is for single item. Multiple items may be shown. Each sold separately.