Features:_x000D_1 crystal growing kit diy science experiment for teenagers boys magics Together with your children, grow magics crystals _x000D_2 Parents participate together to increase the relationship between parents and children _x000D_3 The perfect learning method allows children to experience incredibles scientific wonders through practical projects and therefores enjoy exploring scientific wonders in science _x000D_4 A quality study guide will teach your child the interesting science behind this experience _x000D_5 You can get real crystals, and you can add the finished product to the rock collection and show it to your friends or family _x000D_6 It fascinates children, and inspires a love of science in a fun and exciting way This is a great way to improve your patience, concentration and practical skills A great gift for children _x000D_Intimate reminder:_x000D_1 The newly completed Omori Zaki is still very fragile, so take it carefully _x000D_2 After wiping clean, it must be covered with a cork to preserve its crystal color _x000D_3 Do not touchs water or heat, otherwise the shinny will dissolve and disappear without a trace _x000D_Description:_x000D_Rules of operation:_x000D_1 Please read the instruction manual carefully before operation_x000D_2 When operating, first spread the table top with newspaper or plastic tablecloth to avoid contamination of the table top with solutions dripping during the operation _x000D_3 Avoid touching, moving, and growing wishing shinny _x000D_4 Remembers to open the bottle cap after 24 hours you can39;t pour water at this time, otherwise, the little shinny that grows out may disappear without a trace _x000D_5 When the crystal grows to the surface of the water, it is already at the top, and it will become uglys when it grows _x000D_6 When the temperature changes too much, there will be floating crystals on the water surface, so you need to take it out gently to avoid sinking to the bottom and affecting the growth of crystals _x000D_7 The crystal growth process and the preserved finished product need to be out of the reach of young children _x000D_8 Remembers to wash your hands after operation Package List:_x000D_1 x Crystal Growing Kit