Product information Product name: Elastic treading ball Material :ABS Style: No lights/three lights/six lights Size: About 24cm in diameter Features/Functions: dual mentality play variety, thickened soft rubber safety explosion-proof, cool appearance Notes 1. The actual colour may be slightly different from the picture. 2. Due to manual measurement, the size may have 1-2 cm difference. 2. Please read the details carefully before use