This valuable instrument is useful for transferring liquids, mixing color, art, and testing household solutions. Improve children's fine motor skills by allowing them to pinch and release liquids with these wonderful plastic pipettes... Mix colors and count the drops of water each student can place on a coin. Pinch and release, pinch and release! These pipettes make a great addition to the Science Accessories portion of your science center. (25 pipettes included in each set). Scientific Skills: Fine Motor Skills, Hand-Eye Coordination, Experimenting and Observing.