The Expert Set from Magformers is the ultimate set for stimulating brain development! Originally designed for kids 3 and over, but the large pieces and easy magnetic connections make them a great manipulative activity for seniors too! Great for developing fine motor skills in young hands and exercising or rehabbing fine motor skills in a therapeutic setting. With 400 pieces, advanced builders can create ideas from Magformers XL Cruiser, Construction Vehicles, and Carnival Sets! Build with 64 Triangles, 60 Squares, 24 Isosceles Triangles, 16 Rectangles, 12 Pentagons, 8 Hexagons, 16 Rhombuses, 16 Trapezoids, 8 Super Triangles, 16 Super Squares, 30 XL Triangles, 28 XL Squares, 8 XL Rectangles, 4 XL Hexagons, 8 XL Rhombuses, 4 XL Trapezoids. Step-by-step educational idea booklet with follow-along ideas and instructions.