Stacking Korea provides educational content so that anyone can easily learn and enjoy it. 100% Korean-made products that can take care of health and fun at the same time and can be used safely without worrying about harmful substances. First accepted KC certification product, exported to Germany, Taiwan, Malaysia, USA, Australia. ???? Stacking Korea has the slogan "Sports Stacking that everyone enjoys." A touch that shorten a thousandth of a second! A sense of accomplishment! A sense of stress relief! ? Please wake up our child's brain before anyone else ! Concentration, brain development, and learning achievement are also improved! ? Sport Stacking is the activity of stacking and unloading cups using a certified recording device. It is also called cup stacking and is sometimes referred to as ‘hand athletic sports’ ? It also provides interesting activities to many people regardless of their environment, age, disability, or nationality. It is the first to receive KC certification in South Korea. ? Also we exporting USA, Australia and ISSF International Sport Stacking Federation which is Germany, Taiwan and Malaysia. ? we provide videos in Youtube, everyone can practice easily by videos. ? It is good for school sports programs and can be enjoyed by all ages and genders. ? Product Information - 12 Cups 1 set - Height : 9.5 cm - Diameter : 5.4 cm (top), 7.8 cm (bottom) - Color : Clear Red, Blue, Yellow, Purple, Black, Pink - Passed KC Child Safety Certification - The cup selected by the Australian national team - Korea Sports Stacking Association (KSSA) authorized supplies