polycarbonate
• Three Machines, One Set – Pocket-size wheel loader, excavator and steam roller deliver a complete jobsite fleet right out of the box; great starter pack for any Cat collection
• Die-Cast Metal Strength – Each die-cast construction vehicle is cast in real metal and trimmed with tough plastic for long-lasting durability that shrugs off drops, gravel and sandbox grit
• Realistic Moving Parts – Articulated buckets, booms, drums and rollers let kids scoop, lift, dump and smooth just like full-size Cat equipment—no batteries required
• Push-Powered Play Anywhere – Free-rolling wheels keep the action going on carpet, hardwood or backyard dirt without motors, cords or screens
• Perfect for Ages 3 + & On-the-Go – Each construction toy is roughly 3–3.5 in (8.5 cm) long and weighs only a few ounces—ideal for travel bags, cake-topper decor or stocking stuffers