Shop and save up to 90% off on Kids' Playtime Clothes for boys and girls at thredUP. Get birthday party dresses, tees, jeans, and more from brands like True Religion, Juicey Couture, and more. thredUP is an online consignment store that sells like-new children's and women's clothing. For example, this pictured Mimi Rose Cardigan retails at $43, but is now sold for $3.99. It comes in girls size 12 months. Or get this Nike Jersey, Short Sleeve in boys size 5, which retails at $21, now $8. Shipping is a free on your order over $50 or pay $2.99 for the 1st item and $0.99 for each additional item.