Amazon offers Prime members the Fisher-Price Imaginext Mega T-Rex for $14.96 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise it adds $7.51.) That's the lowest total price we could find by $5. This motorized dino features robotic armor, two projectile-firing blasters, and a figure.
Orders placed by 11:59 pm ET today (December 19) are guaranteed for Christmas delivery via Standard Shipping. (The deadline is December 22 for Prime 2-Day Shipping.)