The set includes 216pcs magnetic balls Every single ball is magnetic, diameter is 3mm Effect for magnetic education, excellent stress relief toy Stimulate and exercise your left and right brain by forming hundreds of geometric patterns Perfect for school science projects, fridge magnet and office magnet, desk toy and office decoration kids and adults who is obsessed with magnets could all enjoy it Relax and lower your stress use the magnetic toy for anti-stress reliever, relaxation and pressure relief lower tension anxiety and nervousness more creative than a squeeze ball Lower disquiet and help with ADHD (Attention deficit hyperactivity disorder) hyperactive ADD OCD and bring peace and quiet have a great time Enjoy playing with this recreation game with family friends build an unlimited amount of amusing imaginative and inventive sculptures, shapes, patterns and puzzles increase creativity Developing creative and innovative thinking witty enjoyable creations A smart intellectual brain stimulating gift for family, friends, workmates, classmates, students, coworkers for every occasion celebration including birthday, Christmas season, Hanuka holidays and any other Relax and lower your anxiety and stress help focus hyperactive individuals Package included: 216 x Magnetic Bucky Balls 1 x Iron Box