UFO Cup is a professional competitive device. Meanwhile, sport stacking is a popular hand extreme sport in the world that challenges competitors' limit also is a healthy event. The prototype of sport stacking occurred in the USA in the 1980s. As it was gradually popularized by worldwide teenagers, this sport became to go viral. In 2004, WSSA (World Sport Stacking Association) announced sport stacking formally become a sport. Packaging Size: 29cm x 8cm x 8cm Total 12 Cups. Est. Product Size: Height- 29cm Cup Diameter- 7.5cm Each Order comes with 1 x YongJun YJ Sport Stacking Cup Speed YJ8003 FEI DIE BEI (12cups) + 1x Dual Languages Stacking Manual (CN & EN) There are 4 different available colours. We are so sorry that there is no colour option available. The product will be ship out in random colour.