Kosmos Grow your own green crystals, 7 x 10 x 5 cm

• Experience exciting experiments - grow sparkling green crystals yourself.
• Fast results guarantee research fun: crystal growth overnight.
• Complete growing equipment including small jewellery box for storing and displaying the crystals.
• Experiments with solutions - children discover chemistry in a playful way.
• Kosmos experiment box for children from 10 years.

Product Description Made from crystal salt and green dye, a sparkling crystal is grown overnight in this KOSMOS experiment set. The wonders of nature can then be displayed in a small jewellery box. In a playful way, children experiment with different solutions when breeding and thus discover first aspects of chemistry. The easy-to-follow coloured guide explains step by step how the crystals are grown. Ages 10+ Contents: 1 bag of alum (20 g), 1 green colouring tablet, measuring cup, stirrer, crystal tin, illustrated instructions (English language not guaranteed) Safety Warning Please note: Not suitable for children under 10 years. For use under adult supervision. Contains a chemical that is a danger to health. Read the instructions before use, follow them and keep them ready. Do not contact the chemical with any part of the body, especially not with the mouth and eyes. Keep small children and animals away when experimenting. Keep the experiment box out of the reach of children under 10 years.