[1] Toys with interesting sounds as the main feature, with rich and colorful sound interaction effects, such as interesting sound effects, music pieces, nursery rhymes and stories, etc. It is often accompanied by colorful light flashing effects and other auxiliary effects such as touch, vibration, and spring. [2] The principle is: the reason why the voice toy can play sound is because there is a voice IC in the circuit board inside, which can store, control, and play voice content. 【3】An electric toy is a motorized toy driven by a micro-motor. Most of them use batteries as energy sources, also known as battery toys. The core components of electric toys are the motherboard and the motor, and other necessary accessories include batteries and casings, and some require remote controls.