Style Lab Fashion Design for the Nintendo DS is a simulation game that allows players to tap into their creative side as aspiring fashion designers. With a stylus as their tool, players select patterns, cuts, and colors to create their own virtual clothing line. They can also experiment with various styles to appeal to different customers, showcase their designs on the runway, and eventually build their own fashion empire. The game is aimed at a younger audience, particularly those with an interest in fashion and design, offering a platform for creativity and imaginative play within the fashion genre.