Toys"R"Us discounts a selection of toys as part of its Hot Toy List 2016 Sale, with prices starting from $7.99$9.99. (Prices are as marked.) Shipping adds $5.99, but orders of $19 or more bag free shipping. (Many items are available via in-store pickup.) A couple of best bets, both with free shipping:
Walmart offers the Fisher Price Soothing Motions Seat, model no. CMR35, for $99.98 with free shipping. That's the lowest total price we could find by $22. It features calming vibrations, 10 songs, and nature sounds.