Eureka Grand Master Puzzle (Blue)
Amoungst the most difficult metal puzzles pocket money can buy. Counting from disassembling to reassembling, some may spend hours, days, to get it back to the initial starting position. There's a reason why it's dubbed 'Grandmaster.' You'll need to be calculated yet experimental, patient yet nimble and most of all, focused! Goodluck!
Availability: In stock