Learning toy develop hand strength Finger Exercise slow stress

Description

Light weight, durable, easy to carry.
Made of high quality and aging resistant material, durable to use a long time.
It can develop hand strength, increase finger dexterity, promote blood circulation
Deflate tension when working under stressful situations
Please allow 1-3cm differences due to manual measurement
The real color may be slightly different from the photo, due to a variety of factors such as computer screen contrast or light.
Feature:
1* Stress toys