DIY HOMOCHROMY TRILATERAL PATTERN ABS HAND SPINNER FINGER TOY (WHITE)

Overview

Principle:Finger spinner is a new plane rotation toy which is composed of a two-way or multi-way symmetry part as the main body and a bearing embedded into the middle of the main body. Its principle is similar to the traditional gyroscope, but it needs you to use the fingers to grasp and strike for rotating.Main Features:- Easy operationHold the ...