Set of one hundred optical fiber units which change color continuously throughout its length. Especially bright UV light. You need a light source for operation. Multisensory stimulation helps you use the senses intact and residual skills remaining in the damaged senses. This stimulation will vary depending on the overall condition of the child and their level of involvement. Fiber optics can define a space and making the rules may change as a passage, "dressing" with her, as a scarf, etc. Suggested activities with fiber optics: observe, touch, manipulate it (is recommended for those users who are hyperactive as it has calming effect it is advisable not bite or suck..