We have our 160 Piece skeleton bug kit. They are 1" in length and have crazy action in the water. You get 20 of the following 8 colors: Pink, White, Black, Red, Motor oil, Glow, Purple and Green. No substitutions allowed. The Glow must be hit with the sun or a UV light to activate glow feature. Glow lasts approximately 15 minutes. This is over a $50 value!