A scientific kit to create the most colourful crystals in complete safety. Mix the reagents in the container, place them in the "cave" and wait. Your crystals will form by magic! With the illustrated manual, creating your own crystals will be a breeze.
Includes reagent and food colouring, “cave” structure and string, container and small scoop, coloured cups, gloves and eye protection, rocks, and an illustrated manual.