comes with multi colors of Pop Tubes, 10 Jumbo, 11 Mini they are easy to be connected with a screw type. PREMIUM FIDGET SENSORY TUBES PACK: Our plastic tubes toy are made of superior PP materials, which are durable, thick yet flexible. Baby can bend, pull, and snap pop all day long without worries. The materials are non-toxic, non-allergenic for kids' safe. JUMBO & MINI POP TUBES INCLUDES: The diameter of the big pop fidget tubes is 1.18 inches and the mini twisty tubes are 0.75 inches. They are extremely lightweight and fit perfectly in Parent and kid hands. Have fun anywhere anytime with these great poptube sensory toys. MULTI-FUNCTIONAL: The popping sounds made by crinkle pop tubes noise maker toy could help toddler stress relief and anti-anxiety. You could make shapes or letters envisioned in mind through pulling, bending, snapping, and popping. It can help improve your creativity and fine motor skills.brand new in the box!!