Description: - be used to exercise the flexibility of , suitable for language barriers such as slurred speech, stiff tongue, and pronunciation. - of tongue , tongue flexibility and stability. Improve tongue and tongue coordination. - It tool for the trainer, enabling the trainer to independently the flexibility and stability of . - There are of use, up and down exercise training and left and right alternate exercise training, choose according to your own situation. - Mainly to solve the language development problems of children elderly, such as children' pronunciation, elderly who cannot clearly. Specification: - Size:15x5cm /6x2 inch - Material: - Use: - choose according to your own situation - 1. Up and down exercise training - Open your mouth wide, put tip exerciser upright in the middle of your mouth, and push the ball from the bottom to your tongue, bottom. Repeat training 50100 times; - 2. Left and right alternate exercise training - Open your mouth wide, place the exercise trainer horizontally in the middle of your mouth, push the ball from your tongue, and repeat the training for 50100 times. Package Includes: 1 x Exerciser (Random Color)?Professional Tool?It tool for the trainer, enabling the trainer to independently the flexibility and stability of . ?For Children Elderly?Mainly to solve the language development problems of children elderly, such as children' pronunciation, elderly who cannot clearly. ?Improve Tongue ? of tongue , tongue flexibility and stability. Improve tongue and tongue coordination. ? of Use?There are of use, up and down exercise training and left and right alternate exercise training, choose according to your own situation. ?For Language Barrier? be used to exercise the flexibility of , suitable for language barriers such as slurred speech, stiff tongue, and pronunciation.