The kaleidoscope can be filled with different things and get different interesting patterns. Just open the lid and put in your favorite things of the right size (flowers, beads, leaves, dried fruits and etc.), and there will be different surprise patterns waiting for you to discover; this will help stimulate your child's unlimited imagination. Easy To Operate - Just rotate the barrel to enjoy infinite color patterns. Kaleidoscope help relax the organs of vision, relieve stress and improve well-being, as well as develop the imagination well. As the kaleidoscope fills, you can see more and more new drawings. The possibilities are endless, and we look forward to seeing what you come up with!