Learning Resources:  Encourage young scientists to take their investigations further with these perfectly sized tools! Includes durable magnifier with built-in stand for hands-free observation, 4.5x magnification, and 4.5" diameter viewing area. Exercises fine motor skills as children use the easy-grip tweezers--depressions on the colorful 6" tweezers guide small hands into the proper pincer position. Washable plastic. For grades PreK+. Each set includes 1 magnifier and 1 pair of tweezers. Colors may vary.