The document outlines three activity planning projects for young children focusing on developmental skills: social-emotional development through a peek-a-boo game for 10-month-olds, scientific exploration with static electricity for 4-year-olds, and understanding traffic signals through games for 5-year-olds. Each activity includes objectives, materials, procedures, assessments, and suggestions for family involvement to reinforce learning. Overall, the projects aim to enhance children's social skills, creativity, and safety awareness.