Preferred age: 6 Encourage your child's creativity and engineering skills with our 42-PCS Metal Models Construction Kit. This compact yet versatile set includes 42 high-quality stainless steel pieces, providing ample opportunities for building and play. Suitable for ages 6 and above, this kit offers an engaging and educational experience that fosters problem-solving skills and encourages imaginative construction.Note: Adult supervision is recommended as this toy may contain small parts that could pose a choking hazard.