In the picture below, three contrasting tones are presented: mid, low, and rising.   In the first picture " หมามา" a rising tone is followed by a mid tone.  In the second picture " ม้ามา" a high tone is followed by a mid tone.  Click anywhere in the picture to listen to the contrasting tones.

หมามา means "A dog comes."
ม้ามา     means "A horse comes."

Practice 2