It seems the batteries cannot be replaced. It still makes sounds and lights up for now, but I don't know how much longer it will last. Please be aware of this. Product Description: ↓ Daddway's 【Sassy】Pika Pika Keyboard ● Keyboard designed large for easy pressing even for babies ● High-contrast black and white handle stimulates baby's curiosity ・Easy-to-grip handle for small hands ・Shara-shara, colorful, swirling beads♪ ・Big beads to train finger movements ・Fun keyboard with lights and sounds♪