16 big pictures to colour, from Dot the tardigrade and a blue whale to the Moon, Mars, the Sun and a black hole, with 2 real science fun facts on every page (32 in all), checked against NASA and NOAA. Plus a 'this book belongs to' page, a draw-your-own page and a certificate to finish. For ages 5 and up. You get a printable PDF in A4 and US Letter, so you can print as many copies as you like at home or at school. A new Tiny Human colouring book comes out every month.