Fingertip Gyro Sprocket 16 Precision Parts Kit Color:Silver when it's time to serve

when it's time to serve

5V AAA (not included)

You will never stumble in the dark again

Material: Food grade ABS plastic & Stainless

It has a ph tolerance of ph2-12

Fingertip Gyro Sprocket 16 Precision Parts Kit Color:Silver when it's time to serveStay focused, reduce stress, release inner creativity and imagination. 16 precision parts, enjoy the fun of DIY with children! Easy To Carry, Small, Simple, Discrete and Fun, also effective for Focus and Deep Thought. Perfect Hand Spinners gifts and size suitable for Adults and kids. Ergonomic curved shape design for hand comfort and long term usage. Simply flick and spin for hours with one or two hands. Parameter: Size: 36x60mm Material: Stainless