These shoes run at least 1/2 size larger, possibly a full size larger. Both shoes are for toddlers size 9 in the photo. Both from the same brand, from the same seller on Amazon, but completely different sizes!
ALEADER Walking Sneakers Lightweight Purple Girls' Shoes and Athletic
52 Review
Breathable Fashion Sneakers for Baby & Toddler Boys & Girls: Bless Children Walking & Running Shoes
54 Review
Saucony Girls Cohesion Running Little
52 Review
New Balance Reveal Running Little Girls' Shoes and Athletic
56 Review
Capezio Girls 3800 Mary Jane Tap Shoe in Caramel - Size 11.5 M Toddlers
49 Review
Felix Flora Toddler Flower Dress Shoes - Adorable and Comfy Flats
47 Review
Adorable Blowfish Malibu Play-t for Toddler and Little Girls
47 Review
Flexible Comfort: pediped Flex Isabella Mary Jane for Toddlers and Little Kids
47 Review