Description:This product has two specifications, one is luminous and one is non-luminous, the price below is non-luminous, if you need luminous, you can find me to communicate. Concerts can hold it up and clapping, I believe it will be very dazzling, if a few thousand people, or even tens of thousands of people are held up, that will be how big the landscape. Can also be used for school sports cheerleaders, very popular Oh!The puzzle is designed to test and improve memory, spatial awareness, and problem-solving skills.