It's back-to-school season, and students around the country are packing up to head to class. But backpacks aren't just for big kids!<br /><br />Ohio preschooler Abby is very proud of her new bag that is almost bigger than she is. It holds a mermaid doll, a necklace she made with beads to wear for later, and a pair of dress-up shoes that her mom wouldn't let her wear to school that day.
It's back-to-school season, and students around the country are packing up to head to class. But backpacks aren't just for big kids!

Ohio preschooler Abby is very proud of her new bag that is almost bigger than she is. It holds a mermaid doll, a necklace she made with beads to wear for later, and a pair of dress-up shoes that her mom wouldn't let her wear to school that day.
Becky Whitney/CNN iReport
Little Liam waits for preschool in Palo Alto, California, with a backpack just big enough to hold his emergency clothes and a teddy bear.
Little Liam waits for preschool in Palo Alto, California, with a backpack just big enough to hold his emergency clothes and a teddy bear.
Stuart Bai/CNN iReport
Preston, age 3, waits for the bus in Calgary, Alberta, wearing a backpack that holds his favorite Spider-Man toy, a school diary, banana, packet of apple juice and his snack box.
Preston, age 3, waits for the bus in Calgary, Alberta, wearing a backpack that holds his favorite Spider-Man toy, a school diary, banana, packet of apple juice and his snack box.
John Kabiru Ng'ang'a/CNN iReport
Chicago 1-year-old Juliana can't even walk yet but loves her backpack and books.
Chicago 1-year-old Juliana can't even walk yet but loves her backpack and books.
Adriana San Salvador/CNN iReport
Evan in White Lake, Michigan, is not yet ready for school, but the 2-year-old sure is ready for a backpack! His mom tells us his personalized dino pack contains his own Android tablet for kids as well as crayons and a sketchbook.
Evan in White Lake, Michigan, is not yet ready for school, but the 2-year-old sure is ready for a backpack! His mom tells us his personalized dino pack contains his own Android tablet for kids as well as crayons and a sketchbook.
Brieanne Tanner/CNN iReport
Natalie, age 1 and a half, is ready to take on the world with her backpack in Stafford, Virginia. She "never leaves home without it," her mom says. It's filled with water, juice, a change of clothes and her favorite toy.
Natalie, age 1 and a half, is ready to take on the world with her backpack in Stafford, Virginia. She "never leaves home without it," her mom says. It's filled with water, juice, a change of clothes and her favorite toy.
Zeke Noriega/CNN iReport
Baby Ben's all ready for camp in Briarcliff Manor, New York.
Baby Ben's all ready for camp in Briarcliff Manor, New York.
Matt Green/CNN iReport
Fourteen-month-old Zoey of Newburgh, New York, tries on her first backpack, courtesy of her grandma.
Fourteen-month-old Zoey of Newburgh, New York, tries on her first backpack, courtesy of her grandma.
Barry LaBrecque/CNN iReport
Twin siblings Jack and Libby, 20 months, keep each other close on their first day of school in Brookline, Massachusetts.
Twin siblings Jack and Libby, 20 months, keep each other close on their first day of school in Brookline, Massachusetts.
Courtesy Tracey Perillo
Mason, age 2, keeps his backpack stocked with water, diapers, trucks, snacks, sticks and bugs he collects on adventures with his mom in Temecula, California.
Mason, age 2, keeps his backpack stocked with water, diapers, trucks, snacks, sticks and bugs he collects on adventures with his mom in Temecula, California.
Kirenia Pollina/CNN iReport
Dory and Brooklyn, best friends since they were 4 months old, started preschool in Maryland with matching backpacks.
Dory and Brooklyn, best friends since they were 4 months old, started preschool in Maryland with matching backpacks.
Danielle Andrews/CNN iReport