 6 Tips in 60 Seconds for Building Self-esteem in Children Encourage effort. Praise their hard work and effort rather than just their achievements. Celebrate small wins. Acknowledge and celebrate even the smallest accomplishments. Positive self-talk. Teach them to replace negative thoughts with positive affirmations. Set realistic goals. Help them set achievable goals to boost confidence. Release mistakes. Teach them that mistakes are opportunities to learn and grow. Show unconditional love. Let them know you love them no matter what.