Different toy models work with different sizes and numbers of batteries. Make sure you are using the correct battery.
Make sure you insert the batteries in the correct direction. The +/- sides of the batteries must be placed in the toy correctly.
After inserting the batteries into the toy, make sure that the cover of the section where you put the batteries is closed correctly, your toy may not work as a result of contact.
You need to recharge your toys for the period specified in the user manual after a few times according to your use, the toy may not work because it has no charge.
For our vibrating and technological toy models to start working at first, press and hold the power button for 3 seconds and just press and pull the button to change the mode.