Colour splash gel transforms plain cakes into vibrant eye catching creations this food colouring gel is highly concentrated and adds instant colour to icing this is ideal for all skill levels and it comes in a squeeze tube for easy applicationto use simply add a small drop at a time to sugarpaste icing buttercream cake mix modelling paste royal icing or marzipan and mix until you achieve the desired shade just a small amount of these highly concentrated gels produces instant colour