Key features

• •【Perpetual Motion Simulator】Touch the test switch premium electromagnetic induction version, noiseless, no motor. Genuine perpetual motion, electromagnetic induction version (no motor). This is the high performance version, not simply a decorative item. Each ball will fall back exactly to the starting point。If the product is not as described,we promise to give it away for free, and a full refund.
• •【Relieve Stress】Cute, simple and modern design, easy to attract people's attention, it can relieve our stress and also relax our eyes when you are bored, it is also a toy that can make you feel relaxed and happy .Weight: 820g (including 5 balls) Size: 8.46*4.13*7.08in (length X width X height).
• •Premium Materials: Very high quality Exotic Wood material ( Solid hardwood:Pine + Oak), with world-class workmanship and finish. .Replace cheap plastic with premium stainless steel. Impressive with a wooden base made of high-quality wood and a unique design concept. Reliable, sturdy accessories for table sports decoration.
• •Working principle: The working principle, using the principles of dynamics and gravity, makes the metal ball toss and fall continuously. Not only does it demonstrate pendulum motion, but it helps demonstrate the laws of conservation of momentum and energy.
• •【Suitable for both young and old】FANTASTIC SMART THING WITH EXTREMELY WELL MADE WHICH RUNS LIKE A DREAM OPERATION EASILY Just enjoy the toy! Great gift for Kids' science project, Physical/mechanical learning, teacher's Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc.