Lego 10661 Classic comes with 628 bricks in 33 different colors, along with an instruction manual with inspirational ideas and instructions for 10 different models, including a house, a windmill, a car, and a dinosaur. The bricks can be combined in countless ways to create your own unique models and structures, helping to develop creativity, problem-solving skills, and fine motor skills. The set is suitable for children aged 4 and up, and can be used for both independent play and collaborative building projects.