Description: 1. The luminous ice block made of PS material and electronic components will light up when encountering water. 2. Three Ag3 batteries are used for power supply (the batteries are not exchangeable) 3. The light is seven color slow flash, which can continuously light for 12-20 hours. 4. A set of luminous ice with 8pcs Specifications: Name: bath toy Materials: PS materials and electronic components A style size: 13*13*3 Size B: 6cm*5cm/2.36inches*1.97inches, 5.5cm*5.5cm/2.17inches*2.17inches, 6.5cm*7cm/2.56inches*2.76inches, 6.5cm*4.5cm/2.56inches*1.77inches, 6cm *6.5cm/2.36"*2.56", 4.5cm*4.5cm/1.77"*1.77" Do not use for children under 2 years old Package Included: 8 * luminous ice Notes: Note: please keep dry when not playing with water. Keep dry, please dry it in time after use! Due to the impact during transportation, the ice may be loose inside, So as to affect the normal lighting, please press the bottom of the product with force, and wipe the metal sheet at the contact end with a wet paper towel!