Retractable 3D mirror kaleidoscope When viewing the kaleidoscope, you do not need to rotate the kaleidoscope as a whole, just rotate the head of the kaleidoscope a little or stretch it to see thousands of changes Kaleidoscope Benefits Instructions for use: This is a world-popular reflective dynamic kaleidoscope. The peculiarity of this kaleidoscope is that the material is made of plastic and the internal pattern changes every time it rotates. Rotating a hundred times is a hundred patterns, a fun kaleidoscope is enough to satisfy all the curiosity of the baby Shrink, about 20cm in length. Random Color Kaleidoscopes are a way for children to find joy. Kaleidoscope can exercise your eyes and relieve eye fatigue. This simple toy is a great gift for your friend or child. Choking Hazard: Small parts, not suitable for children under 3 years old, students and office workers who work in front of the computer and need to relax their eyes.