The POOF-Slinky 0SA404BL Scientific Explorer Galileo Explorer Set is the perfect portable exploration kit that will turn any backyard into an adventure land for any developing young field scientist. This set in named for the famous astronomer, mathematician, teacher, and inventor, Galileo Galilei. About 350-years ago, he invented a compass, thermometer and a telescope with enough power to see the moons of the planet Jupiter. The contents of this 3-piece field kit will help children develop an interest in the physical sciences by being able to view objects in a whole new way. The handheld field trip microscope has 40x zoom power to increase the size of your subject (40) times. Turn on the LED illumination if more light is needed to examine bugs, plant life, fossils and many other objects. The 12x30 Telescope can see objects 12x closer by extending the adjustable eyepiece to bird-watch, stargaze or view close-up action at a sporting event. A 60mm Magnifier helps you view objects 4x their size so you can clearly see the object. Scientific Explorer"s Galileo Explorer Set includes a magnifying glass with 2x and 4x power, a 12x handheld telescope and a 40x zoom power handheld microscope. Scientific Explorer is the industry leader in science kits that help develop critical thinking skills, inspire imagination and encourage exploration through interactive experiments and activities that make learning fun. The POOF-Sling 0SA404BL Scientific Explorer Galileo Explorer Set is recommended for children 8-years of age and older. POOF-Slinky is the manufacturer of the world famous Slinky and the top selling POOF foam sport balls in North America, both manufactured in Plymouth, MI and Hollidaysburg, PA. Ideal and Scientific Explorer are other well-known brands, rounding out the POOF-Slinky family. With roots in the toy industry for over 100-years, POOF-Slinky brands continue to grow and broaden. New generations of kids, their parents and grandparents have proven that classic toys never go out of style!