Features: This toy showcases intricate disc or heart shape, creating a visually stimulating experience. Watch the patterns come alive as you rotate and manipulate the toy, providing a calming effect for your mind. Applicable for various people such as inattention, which can well improve and assist daily relieve stress and irritability, and improve concentration. 3D Printed Product. polylactic acid is safe for playing. Suitable for kids and adults as birthday gifts, Christmas gifts, and stress relief toy, which can release the pressure of various requirements. For pressure release with fine feeling, which is suitable for offices, churches, libraries, stations, special education classes or educational purpose. Specifications: Component: polylactic acid Size: Approx.7cm/2.76inch Type: 10 Option Quantity: 1 Pc Package Includes: 1 Pc 3D Printed Toy note: 1.Please allow 1-2cm errors due to manual measurement, note that you donot mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.