Wange Power Machinery 4-in-1 set, 173 pieces with motor

Assemble four different mechanical models – a crane, a catapult, a caterpillar machine, or a weight-lifting car – and learn the basic principles of mechanics, motion, and gear operation. Building enhances logical thinking, creativity, and dexterity, while learning takes place through engaging and immersive play. The set comes in a convenient suitcase-style case, allowing for neat storage and easy transportation of parts. The set includes an electric motor and lighting, which add motion and realism to the models. Requires 2 AA batteries (not included). Key Features: Elements: 173 parts for model assembly 4-in-1 construction set: crane, catapult, caterpillars vehicle, weight-lifting car Introduces the principles of mechanics and motion. Suitcase-style case for storing parts Instructions: clear visual guide Recommended age: 6 Compatible with other building sets and standard-sized blocks.