Qiyi Flash Stacking Cups

Sequence stack game:Engage in a sequence stack game, fostering hand-eye coordination and quick thinking. Recommend Age: 3-6y, 6-12y, 12+y, 14+:Designed for a wide age range, these stacking cups cater to children and teens alike. Online speed stacks timer:Track progress with an online speed stacks timer, enhancing training and competition. Material: Plastic:Durable plastic construction ensures long-lasting play and safe stacking for all ages. World record for stacking cup:Aim to beat the world record with these speed stacking cups, perfect for competitive play.