These Faber-Castell Jumbo Crayons produce extra smooth, brightly coloured lines. These crayons come in paper sleeves which helps prevent breakages, and are extra thick which makes them a comfortable writing experience. These crayons are non-toxic and safe for anyone aged 3 and up. These jumbo crayons write, draw and colour thick, bold lines. They produce rich and bright colours. The crayons are in paper sleeves which help prevent breakages. The large crayons are easy to grip. They are non-toxic. There are 12 crayons in assorted colours in this pack. It is recommended for ages 3 and up.