Unleash the fiery power of the LEGO Technic 42149 Monster Jam Dragon 2-In-1 Monster Truck Toy, a thrilling buildable model that captures the spirit of one of Monster Jam's most iconic trucks. This detailed set not only features a striking monster truck with dragon spikes, horns, and vibrant decals mimicking the real-life arena sensation but also transforms into a formidable Crocodile Buggy for double the adventure. Each mode is equipped with a pull-back motor, allowing young builders to send their creations racing across the floor, performing jumps and stunts that echo the breathtaking action of Monster Jam events. Designed to foster creativity and introduce the principles of engineering, this set encourages kids to explore mechanical movement and problem-solving skills. With the LEGO Builder app, the building experience is enhanced, offering 3D model viewing, progress tracking, and interactive instructions that make assembly a breeze. Ideal for kids aged 7 years and older, this 2-in-1 set promises endless fun and is a perfect gift for fans of Monster Jam and imaginative play. [LEGO Technic Monster Jam Dragon • 2-in-1 monster truck toy • Pull-back motor • Building set for kids • Crocodile Buggy racing car • LEGO Builder app interactive instructions • Engineering and mechanics toy • Monster Jam arena action • Dragon spikes and horns details • Toy truck racing and stunts]