For Prime members only, Amazon offers the Zoomer Dino Indominus Rex for $39.99 with free shipping. That's $2 under our mention from ten days ago and the lowest total price we've seen. (It's a current low by $30.) It responds to hand movements via IR nose sensors and can be programmed to perform combination movements via the included remote control. It features sound effects and color-changing eyes and requires three AAA batteries, not included.