Glowing Newton ball swing more dazzling at night. The base has a luminous plate, projected onto the glass beads, glass beads showing colorful.
Features:
- Newton cradle balance balls can swing in perpetual motion for only 10-20 seconds due to the resistance of the air and friction.
- The product package is very strong. It will easily cause the ball and the rope entangle when you unpacking it. We highly recommend you to open it gently.
- Stress and Anxiety Relief
- Age: 3 years+