model's airfix warhammer? (IP3)

Hi I am looking for models airfix revel warhammer 40k or paints brushes looking for anything people might not need or want anymore or collecting dust in the loft and wants to be built . This is for my kids and me to entertain them through the winter months and get them off the screens and hopefully start off off the hobby like when I was young we have just started to build Titanic and finished a spitfire so far and tyranids from warhammer 40k thanks for looking