Experience the Ultimate DIY Challenge This self-assembled bionic mechanical beetle 3D puzzle offers an unparalleled hardcore DIY experience. It seamlessly blends natural biodiversity with steampunk-inspired engineering, providing a hands-on journey to create a functional and visually striking mechanical creature. The design combines realistic beetle details with futuristic mechanical features, making it a unique and engaging project. Product Specifications Number of Pieces: 147 Assembly Time: Approximately 3 hours Difficulty Level: ★★★☆☆ (Medium) Assembled Size: 3.9 × 7.7 × 3.7 inches (10 × 19.5 × 9.5 cm) Main Materials: ABS polymer (body) & soft PVC (appendages) Power Requirement: 3 × AAA/LR03/AM4 1.5V batteries (not included due to customs policies) Key Features Mechanical Beetle Design: Inspired by the Scout Beetle, this model evolves natural traits with functional mechanical components, celebrating biodiversity through engineering. Nuclear Reactor Simulation: A back-mounted "nuclear reactor" powers multiple components, operating at varying speeds to mimic dynamic movement. Metal-Etched Wings: Precision-crafted membranous wings vibrate 618 times per minute, capturing the delicate motion of real beetle wings. Emergency Turbojet Engine: The tail features a turbojet propulsion design, enhancing maneuverability for a lifelike "reconnaissance" aesthetic. Miniature Electric Motor: A compact motor drives a complex gear system, enabling synchronized movement across multiple parts. Top Detection System: Equipped with detection lights, radar, and a compass system, positioning it as the "command center" of mechanical organisms. Why Choose This Puzzle? Easy Assembly: Numbered wooden pieces align with step-by-step visual instructions. Video guides are available on our YouTube channel for added support. Cognitive Benefits: Enhances logical thinking, motor skills, and patience, making it engaging for both adults and kids. Decor & Gift Potential: A unique conversation piece for home decor or a memorable gift for enthusiasts of mechanics, nature, or DIY projects. Sense of Achievement: Showcase your finished creation with pride, sharing the satisfaction of building a functional mechanical masterpiece. Designer’s Vision ROKR’s Mechanic Organism Series merges steampunk elements with real-world beetle anatomy, creating a "battle mech" aesthetic. The durable ABS polymer body ensures impact resistance, while soft PVC appendages protect the model, striking the perfect balance between durability and intricate design.