Practice the different sounds that the letter /r/ can make. Read this book together out loud to exercise while learning about your new friend, Maria the Rabbit. Maria the Rabbit is a sweet story for young children. This story is targeted to help little ones pronounce the letter R. Reading Maria the Rabbit out loud will help exercise the child's mouth "muscle" memory. Regularly reading with your child is proven to be extremely beneficial to the development of young minds. Exercise your speech with the cute alliteration of tongue twisters.