If you need help making the /r/ sound, watch this video. Remember to keep the sides of your tongue anchored between your back molars. Your tongue should feel like it's far back in your mouth and flexed like a muscle.
Here is another video about how to say the /r/ sound!
This a video on how to say the Retroflexed R. If the first bunched method is not working try this one!
To practice speech sounds at home, try to aside 15 minutes a few times a week. Spend the first 3-4 minutes going through a word practice list. Then try practicing the sounds in a more natural activity, such as reading aloud or playing a simple game. See the Articulation page for more practice activity ideas.
*** More Resources to Come***