PicassoTiles 201 piece Engineering Kit (SKU: PTN201) comes with an idea book to enable children to construct over 50 building designs including 33 exploded step by step instructions. Be an engineer, architect, or designer, this construction set offers open-ended possibilities to nurture STEM skills, children creativity, intelligence, promote problem solving abilities, logical thinking, improve hand-eye coordination, gain strong sense of geometrical shapes and stay focused by playing