When choosing birthday gifts for children, it's important to consider their age, interests, and preferences. Here are some popular and thoughtful gift ideas for children of various age groups:

1. Infants and Toddlers (0-2 years):

   • Soft toys or stuffed animals
   • Interactive sensory toys
   • Board books or cloth books
   • Musical toys or instruments
   • Shape sorters or stackable blocks

2. Preschoolers (3-5 years):

   • Building blocks or LEGO sets
   • Puzzles and educational games
   • Art supplies like coloring books, crayons, and washable markers
   • Ride-on toys or balance bikes
   • Dress-up costumes or pretend play sets

3. School-Aged Children (6-12 years):

   • Board games or card games
   • Sports equipment (e.g., soccer ball, basketball, skateboard)
   • Science kits or educational experiments
   • Books or book series based on their interests
   • Craft kits or DIY projects
   • Remote-controlled cars or drones

4. Teenagers (13+ years):

   • Headphones or earbuds
   • Video games or gaming accessories
   • Sports gear or athletic equipment
   • Personalized jewelry or accessories
   • Books or novels by their favorite authors
   • Musical instruments or equipment
   • Fashion or beauty products

Remember, personalizing the gift based on the child's hobbies, favorite characters, or interests can make it more special. Additionally, experiential gifts such as tickets to a theme park, a concert, or a sports event can create lasting memories.