The Mega Puzzle Breakthrough Level Three Wolf Puzzle is challenging but also fulfilling. It contains 3 different skill levels (easy, moderate, and advanced) for children to teens. The easy level is for kids 6+ with a piece count from 110-150 which includes a small amount of simple folding techniques. Moderate level is for ages 8+ with a piece count from 150-300 which includes a large amount of simple folding techniques. And the Advance level is for ages 12+ with a piece count 300+ which includes a large amount of complex folding techniques. This puzzle pack includes; 425+ piece jigsaw puzzle, 1 puzzle glue, 1 instruction booklet, 2 applicator, (33) 3D model pieces, 25+ attachment clips, and 200+ joining clips. Create a magnificent jigsaw puzzle with the added edge of 3D art. Challenge yourself with the Breakthrough Level Three Wolf Puzzle!