Teeter Popper - Pink nano These necklaces are made of

These necklaces are made of stainless steel with gold plating or silver plating

but in fact

Easy to use

perfect for pranks and freaking out your friends

it comes with a rechargeable battery and a charging cord for easy convenience Lithium not replaceable

Teeter Popper - Pink nano These necklaces are made ofTeeter Popper provides endless opportunities for movement and play, limited only by a child's imagination. Whether standing, sitting, rocking, tilting, wobbling, or spinning, kids can't resist the excitement and stimulating sensations of this unique instrument. With no special skills required, Teeter Popper encourages physical activity and improves important motor skills such as core strength, stability, balance, and coordination. As a reliable source