Challenge yourself, family and/or friends to complete this spectacular London city view 1000 piece puzzle from the Trefl puzzle makers Improved memory, better problem-solving skills, higher IQ, improved mood and lower stress levels are just a handful of benefits attributed to regular jigsaw puzzle solving activity High quality puzzle blue-board for durability and years of enjoyment matched with precisely cut interlocking pieces ensure a finished product with a smooth, even surface Sharpen your creative thinking and problem-solving skills! Trefl is committed to creating challenging puzzles for adults and/or puzzles for young adults in cooperation with amazing artists that captivate, educate and inspire Exclusively and proudly produced in a Polish factory committed to providing quality puzzles, games and toys since 1985