Letigo LED Wrist Ball Gyroscope Strengthener Ball Power Ball New Wrist Gyroscope Wrist Strengthener Power Force Ball Arm (Blue)

Function: Muscle Relex Apparatus

Material: Pvc

Size: 2.83(diameter) * 2.36 (high)

Weight: 0.62 pound

Principle: the use of gyroscopes (inertial eccentricity + fixed rate) Power: from wrist spin to produce power, without batteries and plug rotation, the faster you generate the stronger the momentum. Rotational speed per minute up to 12,000 (RPM) turn over.


1. To start, hold the ball in your hand with the exposed gyroscope facing left, insert the included red string into the hole, wind it up, and pull straight down, fast enough to have the gyroscope turn the LED on.

2. Then turn your hand facing down, and slowly start to rotate. The gyroscope will start to “bite” and you will feel like it is scratching against the inside of the wrist ball.

3. To keep rotating your wrist and the gyroscope will spin faster and develop a higher pitch sound. Once you have it spinning fast enough, you can stop your hand and feel it oscillating right in your palm.


1. Enhanced grip endurance, wrist arm and other best weapon, and can promote blood circulation, strengthen the wrist ligaments reduce injuries.

2. It is a very interesting sensation and definitely makes your forearm sore and gets the blood going.

3. So, on your 5 minute break take it out and give it a go. You will be impressed on what this device can do for you. It works on your grip, forearm, and blood flow you will be amazed.

4. The world’s smallest, most kinetic energy a ball, all ages, and is not restricted by space activities at home watching television outing ,climbing car anywhere and can be used.
QUALITY: The unit did not have any weird vibration to it. Also having the silicone grip section is very nice as it helps with the gyro ball not coming loose from your hand. There is a place to attach a lanyard of sorts, think Wii mote wrist strap, if you are really concerned about the gyro ball flying away.
MOTOR SKILLS: This certainly requires some fine motor skills in order to use. The dominant hand/arm was easily able to keep the gyro ball going, that it will help refine your fine motor skills in that non-dominant hand/arm.
LEDS: The LEDs increase in intensity the faster that you get the revolutions going. At least gives you a general indication to how fast you have the gyro spinning. The blue LEDs getting brighter.
NO BATTERIES: Simple to start with a pull-string (2 strings are included). Impact Resistant structure with Military-grade plastic shell. The more exciting part is, this exercise ball lights up when it’s spinning! And the LED light is not powered by batteries. It’s battery free. No need to worry about power running out. It will keep lighting up as long as it’s spinning!
STARTING: The cords that come with it have a plastic sheath over the ends that help it stay in the starting holes of the gyro’s rotor. It comes with a string included to help start the spinning action. if the gyro is to the right so should your hand, follow it and slowly speed it up. It lights up when spinning. The ball is plastic with a rubber grip on it, it’s very easy to hold and you not worried that it will slip and go flying into a window or something.

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