The Tonecheer TQ066 DIY Music Box Puzzle - London is a wooden model kit that transforms into a miniature London scene complete with moving parts and music. It features iconic landmarks like Big Ben, Tower Bridge, St. Paul's Cathedral, and the London Eye, all of which are part of the puzzle build. When assembled and wound, the music box plays the tune "London Bridge," and the London Eye rotates, Tower Bridge opens, and a red London bus moves. The kit includes 93 precision-cut wooden pieces and is designed for ages 15 and up, with an estimated assembly time of 2-4 hours. The finished product serves as a decorative music box and a challenging, engaging building project.