'I'm Not Arguing I'm Just Explaining Why I'm Right' Cotton Pyjamas £9.99 @ Amazon

Oh these are just perfect. Got a kid who like to express their opinions? These pyjamas are just the thing. Grab them now for just £9.99 at Amazon.

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These hilarious PJs come in sizes from 7 years up to 16 years, and all sizes are priced at £9.99 a pair, so that's particularly good value for the teen sizes.

They're long sleeved, with full-length bottoms, so they'll be suitable for all year-round apart from the warmest summer days. They're also made from 100% cotton, so they'll be cool in the heat, and soft on skin.

There's free delivery for Amazon Prime customers, or non-Prime customers get free delivery when you spend £20 or more.