Buki France 2165 Amazing Crystal Cultivate 12 amazing and beautiful crystals. With this Buki France 2165 Amazing Crystal, you can discover the instant crystal tree, make a crystallised jewel or grow a mega-crystal. Place your crystals on the luminous base and watch the light pass through them! The activities use a microwave oven for greater speed and safety. Illustrated colour instructions. A set with 12 activities to cultivate amazing and beautiful crystals! discover the instant crystal tree, make a crystallised jewel or grow a mega-crystal. place your crystals on the luminous base and watch the light pass through them! many accessories are included to carry out the activities: crystal powder, jug, beakers, fluorescent colouring, alum powder The activities use a microwave oven for greater speed and safety. Requires 3 LR03 batteries, not included. Suggested age suitability 8 years and upwards.EU Warning: Not suitable for children under the age of 3 years due to small parts which could cause a choking hazard.