Balance Ball Desk Steel Balance Swinging Magnetic Ball Physics Science Pendulum Desk Fun Gift Ball Desk Fun Solar Car Warning Light 👩‍🏫 Teachers - Classroom rewards

👩‍🏫 Teachers - Classroom rewards and sensory tools

Battery: 2 × 2000mAh lithium batteries

meditative effect during work breaks

Knife Length-10"/256mm

Balance Ball Desk Steel Balance Swinging Magnetic Ball Physics Science Pendulum Desk Fun Gift Ball Desk Fun Solar Car Warning Light 👩‍🏫 Teachers - Classroom rewardsThe desk toy that never gets old. This classic Newton's cradle demonstrates the laws of physics in motionconservation of momentum and energywhile serving as a mesmerizing stress reliever and conversation starter. Why It Works Satisfying motion Pull back one steel ball and watch the kinetic energy transfer through the row, creating a hypnotic swinging rhythm Stress relief The repetitive clicking and smooth motion provide a calming, meditative effect