The BRIO World Expansion Pack Intermediate is a 16-piece wooden train track set designed for children aged 3-7 years old. With a focus on train tracks, this product allows kids to create and expand their own train world. Made by the trusted brand BRIO, this set provides hours of imaginative play and encourages creativity and problem-solving skills in young children. Unlock the Power of Imagination: This Intermediate Expansion Pack for BRIO World wooden train track sets fosters creativity invites children to invent adventures, sparking unlimited train escapades. Timeless Keepsake: Create cherished memories with your child and expand their railway horizons. Built to last, this enduring wooden toy train set accessory will increase their existing railway empire. Unmatched Safety Assurance: All BRIO products undergo over 1,000 safety tests each year to ensure they exceed safety standards, making this set an ideal choice for holiday birthday gifts, preschool, homeschool, kindergarten, and recess. Imagination Unleashed: Its interactive design turns playtime into a journey of sensory creativity and storytelling, fostering lasting connections while supporting STEM and Montessori skills, making it a valuable addition to any kid's toy collection. Planet-Friendly Choice: Made from sustainable materials and thoughtfully designed, these wooden train and railway sets and accessories support responsible forestry. They're easy to clean and a durable choice for parents who value quality