Experiment with glow in the dark chemistry & grow your very own crystals! This fascinating little chemistry kit contains all you need to grow your own crystals in five easy steps producing a bunch of crystals in just seven days, & better still, they glow in the dark! Brilliant fun, & perfect for curious minds, this grow your own crystal set is a fantastic first step into the wonderful world of glowing chemistry! Grow your own glow in the dark crystals kit All you need to grow crystals 5 easy steps Produces crystals in just seven days! Suitable for ages 8yrs +