Features: brand new and high quality Explore the wonders of science through a hands-on science experiment. This simulated crystal toy provides kids high-quality educational toys that are a whole lot of fun! Create your own collection of crystals by experimenting with growing differently colored crystals from this science kit. Fun interactive experiments Love science from childhood-chemistry experiment partners help each other, cultivate crystal observation and record together with friends to experience the joy of success, which can help children fall in love with scientific exploration. After a long for time for crystallization, the color may become a little lighter, and you can take the spray paint and spray a little to keep the color unchanged. Specifications: Material:ABS+TPR+Phosphate Color:Blue/Green/Ocean Green/Purple/Red/Yellow Size:Approx.8.3x8.3x10cm/3.27x3.27x3.94in Package Includes: 1 Set Simulated Crystal note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.