Learning Resources GeoSafari Microscope Slide Set. Extend young explorers’ investigations with this set of microscope slides! This set of 24 labelled slides includes botany and anatonmy, such as flowers, leaves and insects. Great for use with the Nancy B’s Science Club range, or any other microscope. Plastic slides come complete in a storage tray. Tray measures 20cm x 9cm. Suitable for ages 7+.