Kmart offers the Disney Toddler Girls' Frozen Anna & Elsa Clogs in Blue, model no. 11516, for $6.99. Opt for in-store pickup to dodge the $5.75 shipping fee. That's the lowest price we could find for a similar shoe by $5. They're available in sizes S to L.
Of note, Shop Your Way Rewards members will earn a Kmart credit with this purchase and may be eligible for additional credits and discounts.