Mould King 17087 Oilfield Movable Building Sets, Engineering Display Model with Battery & Motor, Oil Source Technology Construction Blocks

• 【Industrial Pumpjack Model】840-piece oil pump jack building kit measuring 14.2 × 4.6 × 8.9 in. Features orange-gray design, sturdy platform, and detailed base—great as an industrial machine model for display or collection.
• 【Motorized Mechanical Action】Working pump arm and drill move up and down with chain-driven motion. Includes motor and battery box for lifelike pumping simulation—brings energy and realism to this motorized construction toy.
• 【Challenging Build Fun】Step-numbered bags and illustrated instructions make building smoother. Designed for teens 14+ and adults, this construction block set offers rewarding hands-on assembly and display value.
• 【Durable ABS & Compatibility】Made with quality ABS pieces for tight fit and durability. Compatible with most major building block systems, expandable into larger oilfield or industrial STEM building blocks scenes.
• 【STEM Value & Gift Choice】Demonstrates engineering concepts of pumping and drilling, builds patience, logic, and problem-solving. A STEM model kit and display piece—great for birthdays, holidays, and collectors.

Product description Oil Building Sets 17087 （840pcs） Directions Included Safety Warning choking_hazard_small_parts