Get ready for a hands-on adventure with the 4M Motorized Robot Hand, where engineering meets creativity in the most fun way! Kids can build their very own mechanical hand, program it to play custom rhythms, and explore the magic of STEM while discovering how gears and levers work together—who knew learning could come with such a catchy beat? FEATURES: Build a functional robot hand that taps and moves according to custom programs created with pegs on a rotating drum, Programmable drum for creating endless rhythm patterns inspired by early punch-card computers, Precision gear system demonstrating mechanical advantage by reducing motor speed for smooth and controlled motion, Lever-based finger mechanism illustrating physics principles in a real-world application, Safe and modular design with worry-free assembly and step-by-step instructions. MATERIAL & CARE: Plastic, Spot clean. DETAILS: 3.1"H x 5.5"W x 7.5"D, Non-rechargeable, Requires 2 AAA batteries, not included, Assembly required, Age: 8 years & up, Beginner, Model/Style Number: 00-03407, Imported. Size: One Size. Color: Multi. Gender: unisex. Material: NONE.