Features: Educational and Engaging Tools: These galaxy stress balls aren't just for stress relief, they spark curiosity about space! Ideal for science classrooms, space-themed learning activities, and astronomy lovers, they make learning fun while promoting focus and engagement in kids and students Great Gift for Any Occasion: These small space stress balls make an excellent choice for birthday gifts, stocking stuffers, classroom prizes, and employee appreciation. With their eye-catching galaxy design and satisfying squeeze feel, they're sure to delight anyone who loves fidget toys and space-themed accessories Specifications: Material: pU and Foam Color: colorful Size: about 1.57 inch / 4 cm Package includes: 144 x Stress balls Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Choking Hazard, Small parts. Not for children under 3 years