These are kaleidoscope toys, made of paper materials, durable and safe for kids playing with. Good transmission of light, and clear color. Aimed to promote the vision, grasping, intellectual development, emotion, other skills development, hand-eye coordination abilities etc.Feature- Color: Random Color.- Material: Paper.- Size: Approx. 18.5 x 4.3 x 4.3 cm / 7.3 x 1.7 x 1.7 inch.- Made of premium paper materials, durable and safe for long lasting use.- Wonderful gift for kids, children, etc.- kids' curiosity to explore the world.- Let the children experience the fun of making and looking for the mysterious world of kaleidoscopes.- Aimed to promote the vision, grasping, intellectual development, emotion, other skills development, hand-eye coordination abilities etc.