ThinkGeek offers the Luggo Robot Luggage for $19.99. Coupon code "FIFTHOFF" cuts the price to $15.99. With $10.04 for shipping, that's $8 under last month's mention, $20 off list price, and the lowest total price we could find. Suitable for children ages three and up, it can be pulled or worn as a backpack and features light-up wheels. Deal ends April 13.