Be an outdoor detective and explore the natural world! Simply slot a spotter card into the 7.1" (182mm) diameter viewer and use to identify objects in your garden and beyond. Comes with five double-sided, full-color cards that are 6.9" (175mm) diameter with an 3.3" (85mm) viewing area. Ten themes to choose from: mammals, animal tracks, birds, trees, flowers, seashore, butterflies & moths, bugs and clouds plus a glow in the dark constellation spotter. Photo-real images help children to observe up to eight natural items on each side of the card. Chunky handle for ease of use. Cool compartment in the handle for storing your natural treasures.