It can be used to exercise the flexibility of the tongue, and is suitable for language barriers such as slurred speech, stiff tongue, and incomplete pronunciation. Targeted training of tongue muscle strength, tongue flexibility and stability. Improve tongue muscle strength and tongue coordination. It is a professional tool for the trainer, enabling the trainer to independently master the flexibility and stability of the tongue. There are two ways of use, up and down exercise training and left and right alternate exercise training, you can choose according to your own situation. Mainly to solve the language development problems of children and the elderly, such as children"s unclear pronunciation, and the elderly who cannot speak clearly. Specification: Size:15x5cm /6x2 inch Material: plastic How to Use: You can choose according to your own situation 1. Up and down exercise training Open your mouth wide, put the tongue-tip exerciser upright in the middle of your mouth, and push the ball from the bottom to the top with the tip of your tongue, and then re store it from the top to the bottom. Repeat training 50-100 times; 2. Left and right alternate exercise training Open your mouth wide, place the tip of the tongue exercise trainer horizontally in the middle of your mouth, push the ball from the left or right side to the other with the tip of your tongue, and repeat the training for 50-100 times. Package Includes: 1 x Tongue Tip Exerciser Note: 1. Due to manual measurement, there may be a slight tolerance of 1-3cm. 2. Due to difference between different monitors, the picture may not reflect the actual color of the item. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 29127 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.