Wish you have a nice day 6pcs Colors Elastic Light-up Spike Ball with LED flash light up,Children's Kid's Toy Yoyo ball for fun/Games. Fun Party Favor, Goodie Bag or Stocking Stuffer Dimension: Approx. 2.5'' inch (each one),Light Up LED Dual Color Spiked Ball Children's Kid's Toy Yoyo Ball Attention: white plugs in the access, better to pull them out when children play;battery cannot be replaced LED Lights Come On When In Motion, Toss It Like a Yoyo