A 7-year-old and 2-year-old played with the microscope for a couple weeks to test it out. We based the scores on the following factors: Unique factor: Whether the toy has shelf appeal ...

An old microscope, a new perspective. By Jill Burke. ... our 10-year-old oohed and ahhed when she discovered the flower stem we'd sectioned and mounted contained an assembly line of water droplets ...