This is a 2‑in‑1/3-in-1/4-in-1 remote‑controlled construction vehicle toy set with three matching combinations: excavator + track‑type tractor, excavator + dump truck, and excavator + loader... Powered by 2.4GHz stable remote control, the 11‑channel excavator pairs with a 9‑channel partner vehicle for multi‑directional operation. It features one‑click auto‑demo mode, realistic sound effects, front headlights, and movable functional parts like liftable blades, buckets and tilting dump beds. Equipped with dual dedicated remote controllers, USB charging cables and manuals, this durable engineering toy comes in double‑layer packaging (color box + shipping box), ideal as an educational play gift for love construction vehicles.