With orders of $25 or more, Amazon offers Prime members a selection of children's costumes, as listed below. Plus, all orders qualify for free shipping. (Non-members can spend $35 to qualify for free shipping.) Note that sizes may be limited. The deals:

• Rubie's Kids' Teenage Mutant Ninja Turtles Shredder Costume for $3.77 (low by $11)
• Rubie's Kids' Michelangelo Action Blister Set for $3.92 (low by $14)
• Rubie's Kids' Strawberry Shortcake Cherry Jam Child Wig for $3.97 (low by $14)
• Rubie's Kids' Guardians of The Galaxy Star-Lord Costume for $4.99 (pictured, low by $11)

Note: These items are part of Amazon's add-on program and can only be purchased with an order of $25 or more.