Newton's Cradle, a timeless desk accessory, serves as both a captivating visual display and an educational tool in physics. Also known as the executive ball clicker, this iconic device demonstrates the principles of conservation of momentum and energy in a visually stunning manner.Perfect for office desks, classrooms, or as a stylish gift, this classic item not only adds a touch of sophistication to any space but also sparks curiosity and conversations about the fundamental laws of physics. S - 13*7.5*10cm M - 16*8.5*11.5cm L - 20*11*15.2cm