Instant Three-Truck Fleet — Pocket-size cement mixer, dump truck and road grader give kids a complete jobsite crew right out of the box. Die-Cast Metal Strength – Bodies are cast in real metal and trimmed with tough plastic for long-lasting durability that shrugs off drops, gravel and sandbox grit. Working Parts, Zero Batteries — Spinning mixer drum, tilting dump bed and adjustable grading blade keep play hands-on and screen-free. Perfect Travel Size — Each truck is about 4 in long; the set weighs just 13.7 oz and packs into a 5.25 × 2 × 11.9 in clamshell, ideal for backpacks, cake toppers or sensory bins. STEM-Friendly Gift — Push-powered action builds fine-motor skills and imagination for boys and girls ages 3 +; great starter pack for any Cat collection.