The IQ Link Puzzle Set by SmartGames is a challenging brain teaser designed for children aged 6 years and up. With 120 puzzles across 5 levels of difficulty, this multi-coloured set is made of durable plastic pieces that fit together in an irregular shape. The game encourages strategic thinking and problem-solving skills, making it a great way to engage and challenge young minds. Recommended for children aged 6 to 16 years, this puzzle set is sure to provide hours of fun and learning. The puzzle set involves 12 plastic pieces, required to fit into the grid, following the arrangements provided in the challenge booklet. The puzzle set is in good condition. Roughly 3 x 9.5 x 14 cm in size.