Can you buy a rainbow?

We went on a trip to Sainsbury's. We walked to the shop where we were met by Sue the Manager. She very kindly gave us a tour around the shop and told us lots of things about how the shop works from how the deliveries are made to how the in-store bakery works. After that we got on with our shopping and attempted our 'Big Question' challenge, Can you buy a rainbow? Well it turns out you can! Watch this space......