Thinkuknow is the education programme from NCA-CEOP, a UK organisation which protects children both online and offline. A variety of age appropriate information pages are available on their website.
They also have available a short video which provides parents and carers with:
• An introduction to NCA-CEOP, the Thinkuknow education programme and its resources
• Advice on how they can keep their child safe online, including a helpful tool to support them in having the right conversations about online safety.