The Spiral Gravity Tube from Toysmith comes in neon pink, green, yellow, and orange. Made with non-toxic plastic materials. Each one features neon green vented ends to enhance sound and a yellow spiral-wrapped tube inside. Makes 2 different noises. Tip the tube over and over to hear the beads inside rattle and the noisemaker tube groan. An assortment of 36 come with a dark blue display case with an illustrated example of the toy on the front.