[Safe and Durable] The silicone pipette is thick, durable and not easily damaged. The tip of the dropper is round, so that children can use it without worrying about smudging and hurting. [5ml pipette] The transparent pipettes of 1ml, 2ml, 3ml, 4ml, 5ml are marked on the side of the tube, which is convenient to accurately measure the amount of liquid needed and mix liquid colors better. [Easy to clean] After use , the silicone top of the pipette dropper can be removed for cleaning. It is equipped with two small cleaning brushes, the size of which can clean every corner of the pipette. [Large uses] The transparent pipette has a wide range of uses. It can be used to dispense liquids and can be used to craft candy and chocolate making tools. It is a good choice for children to enjoy science experiments. [Color dropper] 11 different color droppers make the experiment more interesting. At the same time, according to the color, the type of liquid used is also different, and the liquids will not affect each other. 5ml color liquid dropper makes everything interesting. < p>A good choice for children's fun science experiments, it can also be given to babies or pets, and the round dropper can be used with confidence. Colorful colors can attract more children's attention and also show dignity. The last straw is used to suck the liquid and does not affect each other. It can be used repeatedly, and it comes with two small cleaning brushes, just the size to clean each corner of the straw. D Product dimensions: Total length 12cm, pipe diameter about 1cm. The cleaning brush has a total length of 14 cm and a diameter of 1 cm. Quantity delivered: 13 pieces, including 11 droppers and 2 cleaning brushes.