Adult Jigsaw Puzzles 1000 Pieces Sydney Opera House Difficult and Challenge Suitable for desktop decoration 14.96 in x 20.47 in for teenager 14+

[Golden size, comfortable challenge] Medium-sized single-piece design (about 8-10mm/piece): larger than the mini version, reducing hand-eye fatigue; more compact than the standard version, retaining the fun of 1,000 pieces of decompression, friendly to novices, not boring to veterans, moderate time consumption: an average of 10-15 hours to complete, a perfect balance of sense of accomplishment and relaxation. Finished product size 520x380mm (≈A2): suitable for small and medium-sized walls, desks or office cubicles, not crowded after mounting, details clearly visible, matte white card printing, high color reproduction, no reflective interference, more immersive visual experience. [Durable quality + smooth experience] 2mm thickened white card: anti-bending, moisture-proof and wear-resistant, repeated assembly and disassembly without deformation, support long-term collection or secondary creation. Precision bite process, error ≤0.2mm, the pieces are tightly interlocked, and the whole piece can be pulled up and displayed to avoid the embarrassment of "falling apart at the touch". [Suitable for all ages + social attributes] Parent-child collaboration: Children aged 14+ can participate independently, and children aged 10+ can complete the puzzle under the guidance of their parents. It can cultivate observation and patience, break the ice at gatherings, and allow friends/teams to divide the work and collaborate to easily create an interactive atmosphere. Take group photos after the puzzle. Piece Missing Service: If you have Piece Missing Issue or Quality's Issue, just feel free to contact us, we will try our best to help you solve the issue., Manufacturer: SYUNFEI