A fun set of eight vibrant colouring-in tools for kids.Crayons go on silky smooth like a pastel (the colours are more vivid than a standard wax crayon) and deliver almost impossibly vibrant results.Extend playtime with:- Window Art - with parental permission of course- Rock Painting - create creatures for 3D fun- Watercolour Art - simply add water with a paintbrush to create a water colour effect.There's no mess as each crayon is housed within a twist-up tube to keep little fingers clean.Silk Crayons are non-toxic, odour free and water-soluble so stains are easily washed out. Pair up with one of our awesome Colouring Sets for hours of creative fun!