Climbing Fingerboard Guitar Beginner Finger Practice Apparatus Children

Product information:
Applicable scenarios: fitness equipment, musical instruments
Color: white, black, light green, Rose Red, Blue
Material: Plastic
Size: 80x72x30mm

Strength: 2.5-6 pounds
Expansion and contraction: Expansion range 80-100mm
Function: Practice finger strength, speed, flexibility, and coordination between fingers