Walmart.com has Kids 6v Ride-on Toys of different designs currently on sale for $39. (Items listed on Black Friday ad.) Free delivery on orders of $35 or more.
Designs available for $39:
Disney Princess Girls’ 6V Battery-Powered Ride-On Quad Toy by Huffy
Disney Mickey Boys’ 6V Battery-Powered Ride-On Quad by Huffy
Pacific Cycle 6v Toy Story Buzz Lightyear Quad