Yes, Tesco sell chromecast. You can find it in the electricals section of their website.
It is a popular product and is often out of stock, so it is worth checking back regularly if you are interested in purchasing one.
The chromecast is a small device that plugs into your TV’s HDMI port and allows you to stream content from your phone, tablet or laptop directly to your TV. It is a relatively inexpensive way to get all of your favourite content on the big screen, and there are no monthly fees like there are with some other streaming services.
Tesco is one of the UK’s leading retailers, so it is no surprise that they sell chromecast. It is a popular product and often sells out, so it is worth checking back regularly if you are interested in purchasing one.