Fingertip Gyro Sprocket 16 Precision Parts Kit Color:Silver Material: Food grade ABS plastic

Material: Food grade ABS plastic & Stainless

This photochromic lens depends on the intensity of sunlight and ultraviolet rays to change the color of the lens and protect you from the sun's rays

Material: Food-grade ABS

You will never stumble in the dark again

Fingertip Gyro Sprocket 16 Precision Parts Kit Color:Silver Material: Food grade ABS plasticStay 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