1. Suitable for slurred speech, stiff tongue, incomplete pronunciation, it can be used to exercise tongue flexibility. 2. Help solve problems such as children's unclear pronunciation, and the elderly who can't speak clearly. 3. Training tongue muscle strength, tongue flexibility and stability. Improve tongue muscle strength and tongue coordination ability. 4. Enable the trainer to master the flexibility and stability of the tongue independently. 5. There are two ways to use, up and down exercise training & left and right alternate exercise training, you can choose according to your own situation. 6. Made of high quality material, safe and ecofriendly, stable and durable, easy to clean. How to Use:You can choose according to your own situation 1. Up and down exercise trainingOpen 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 restore it from the top to the bottom. Repeat training 50-100 times; 2. Left and right alternate exercise trainingOpen 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. Condition: 100% Brand New Item Type: Tongue Tip Exerciser Material: PP+Hardware Size:As shown Function: Training tongue muscle strength, tongue tip flexibility and stability. Improve tongue muscle strength and tongue coordination ability, and enable the trainer to master the flexibility and stability of the tongue independently. Scope of Application: Suitable for slurred speech, stiff tongue, incomplete pronnciation, can be used to exercise tongue flexibility, children's pronunciation is not clear, and the elderly can't speak clearlyu. Instructions for Use: Open your mouth and put the tongue-tip trainer into the corresponding position in the oral cavity, and gently bite, use your tongue to push the ball from one side to the other side and then restore it, the tip of the tongue needs to be in contact with the small ball retainer all the way, repeat this action 10-50 times. Cleaning: It can be cleaned with warm water and wiped with ethanol. Package includes1PCS x Tongue Tip Exerciser Notes:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you