Eureka 3D Puzzle Junior Metal conundrum set Challenge yourself with four mind-bending puzzles. Take the metal puzzles apart first and put them back together again later. Not a puzzle expert yet? You're gonna be it, solving these puzzles! Specifications: Colour: silver, green Gender: junior, unisex Material: steel Difficulty level: Junior Number of puzzles: 4 Diameter per puzzle: Approx. 4.5 cm Package dimensions: 20 x 20 x 4 cm (L x W x D) Age: from 6 years