Kids clothing on clearance are marked down up to 90% with free shipping at Shopko.com. As a bonus, use the code SUMMER10 to take $10 off orders of $50 or more. Items start as low as $3.59. This Angry Birds Girls Short Sleeve Peace Beak T-shirt drops from $15.99 to $4.79, or get this Authentic Galaxy Uniforms Boys Short Sleeve Dress Shirt, which goes from $14.99 to $4.49. Sales tax is charged in most states.