Sticky worm can be sticked on the window ,table ,desk ,mirror and any smoothly surface . Cute design with very slime,sticky . 1) The item can be sticked on any smoothly surface ,when you sticked it strongly iit can be transfromed then return to it's original shape .2) Four styles ,tpr materail .3) Enjoyable ,funy ,take you interesting feeling.4) it is used for up 3 years old age Sticky worm toy