Jurassic Park - Toy

Set of four plastic toy dinosaurs.

Adult T-Rex (Schleich): This is a realistic model from the Schleich brand, known for its high-quality anatomical details and textured skin. It features a green coloration with yellow shading on the back and a movable jaw that allows you to simulate a bite.
Young T-Rex (Schleich): Placed in the foreground on the left, it is the juvenile version of the Tyrannosaurus, also produced by Schleich. It is distinguished by proportions that differ from the adult and a coloration leaning toward emerald green with darker stripes.
T-Rex STEM Disassemblable: On the right there is an educational "take apart" toy. It consists of colorful pieces (red and blue in the image) joined by large plastic screws, designed to be assembled and disassembled by children with suitable toy screwdrivers to stimulate manual dexterity.
Black miniature (Panther/Dinosaur): In the center, in the background, a small black figure appears. Although your request mentions four T-Rexes, from its sinuous shape and posture it seems to be a miniature of a feline, probably a black panther, often sold in collectible animal sets.