Buying children's shoes by age is more of a coincidence. The only hits I've had are related to the Carter's brand. I don't think these are real hiking shoes, but photo shoes. And they are ideal for that.
Slip-Resistant Crib Shoes for Babies: Robeez Soft Soles for Girls and Unisex Toddlers, Ages 0-24 Months
53 Review
Flexible Comfort: pediped Flex Isabella Mary Jane for Toddlers and Little Kids
47 Review
Felix Flora Toddler Flower Dress Shoes - Adorable and Comfy Flats
47 Review
Dance in Style with Molly Jane Tap Shoes: Unisex-Child Mary Flats
50 Review
New Balance Reveal Running Little Girls' Shoes and Athletic
56 Review
Breathable Fashion Sneakers for Baby & Toddler Boys & Girls: Bless Children Walking & Running Shoes
54 Review
LEOCI Soccer Shoe Coomfortable Numeric_11_Point_5 Girls' Shoes and Athletic
69 Review
Saucony Girls Cohesion Running Little
52 Review