"How the Little Kite Learned to Fly," "The Moon" and "Don't Quit" are examples of short, inspirational poems that are appropriate for kids. "Now We Are Six," "Friends" and "Colors" are other inspirational poems for children.
"How the Little Kite Learned to Fly" by Katherine Pyle is a poem about trying harder to succeed. The poem follows a little kite, which is afraid to try flying for fear of falling. After some encouragement, the little kite learns to fly. The reward is a sense of accomplishment. "Don't Quit" is a similar short poem in that it encourages the reader to keep trying even when life seems its hardest.
"The Moon" by Robert Louis Stevenson is a little more challenging poem but with beautiful imagery appropriate for children. The poem is about the beauty of the moon. It teaches children to not be afraid of the dark because the moon is watching over them.
"Friends" by Abbie Farwell Brown is similar in that it's slightly challenging but contains beautiful imagery. Likewise, the poem teaches children not to be afraid because "friends," such as the sunshine, sky and wind, are watching over them.
"Now We Are Six" is a poem by A.A. Milne that celebrates being happy with yourself. Milne tells the poem from the point of view of a child who's just turned 6. "Colors" by Shel Silverstein is similar in that it teaches children that what's on the inside of people is what counts most.