Mould King Crawler Excavator Building Sets 17076 Engineering Excavator Kits MOC Model Toys Birthday Gifts for Adults and Teens 14+ Construction Vehicle Set for Excavator Fans (840 Pcs)

- 【Crawler Excavator Model】840-piece excavator building kit measuring 13.6 × 6 × 8.6 in. Designed after real construction vehicles with authentic colors and stable structure?great for display or collection.- 【Realistic Mechanical Features】Includes a manually adjustable arm, 360° rotating cab, working crawler tracks, and opening cabin details. A detailed crawler excavator model that simulates true construction work.- 【Fun & Challenging Build】Step-numbered bags and illustrated instructions ensure smoother assembly. Suitable for teens 14+ and adults, this construction vehicle block set offers a rewarding building challenge.- 【Durable ABS & Compatibility】Made of sturdy ABS bricks with secure fit, compatible with most major brands. Each set is inspected before shipping; replacement parts are available to ensure smooth building.- 【STEM Learning & Gift Value】Enhances patience, logic, and hands-on skills while teaching engineering principles. A STEM building toy and building blocks for adults and teens?great for birthdays or holidays.

Product description

Experience the fun of building and controlling

Multiple vehicle models waiting for you to play!

Mould king engineering vehicle series

Mould King Engineering Vehicle Series

Start assembling from piece by piece, and experience the wonderful process of creativity and patience. After the assembly is completed, the surprise is far from over! Turn the knob, the boom, dipper stick, and bucket will move flexibly, accurately simulating the real excavation action; the cab rotates easily, bringing an immersive control experience. The crawler moves forward and backward, as if you are at a construction site.