Published On Feb 20, 2019
Can you work out what this secret message is? Try this amazing trick from Operation Ouch!
For full episodes of Operation Ouch visit - https://www.bbc.co.uk/iplayer/group/b...
For more amazing tricks and facts from Operation Ouch visit - https://www.bbc.co.uk/cbbc/shows/oper...
#CBBC
show more