I found this brilliant article ‘5 Ways to increase your confidence’ written by April Clay, who is a rider and sport psychologist in Calgary, Alberta - Published by https://horsenetwork.com; and would like to share with you.
Exercise: 2 points seat - trotting over poles. Then, trotting over poles plus jumping crosses (1 stride). Second cross then becomes oxer (cross at front, and rail behind). For little ponies would only use second jump.