With this set, you can conduct experiments that glow in the dark. Make your own lava lamp, invisible ink, phosphorescent slime, etc. The set includes 3 colours, a UV lamp and an illustrated guide to the activities. Included: Beaker 50 ml, pipette, Brush, small tube, UV light, 1 phosphorescent colour, 1 blue phosphorescent colour, 1 green phosphorescent colour, 1 red phosphorescent colour, illustrated guide to the activities. Requires 2 3V-CR2016 batteries included. Batteries are to be changed by an adult. The batteries are classified as WEEE and should be disposed of safely when no longer required. Box dimensions: 20.00 x 05.90 x 25.00cm WARNING! Not suitable for children under 8 years old. Kit for using under adult supervision. Some of the activities require milk, vegetable oil, corn-starch (sometimes called corn flour) and washing-up liquid (not included).