DaveHax | Hold this and see what happens... @DaveHax | Uploaded 4 months ago | Updated 9 minutes ago
Viral products - color changing putty! Full video with links here: youtu.be/9x2VbrQYqOc

Music: Plucky Daisy Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/by/3.0