Perfect for physical or occupational therapy, developing fine motor skills, or strengthening hand muscles. Putty is irresistible to squeeze, stretch, pinch, and twist, and when played with under uv lighting it also fluoresces brightly. This uv reactive putty does everything regular putty does, so it can be moulded, stretched, and bounced it just has the added bonus of luminescence under blacklight. As there are six little pots they would also make great party bag or stocking fillers. Check out our range of uv lights here excellent for strengthening finger muscles3 different colours and strengths from soft to firmenhances comprehension of light and colourgreat for both group and one on one playencourages productive participation in playchanges colour under uv light