Dive into a world of creativity with the GraviTrax Junior Starter Set S Ocean, the perfect marble run introduction for children aged 3 and up. This interactive set immerses young builders in an exciting underwater adventure, complete with ocean-themed decorations and adorable animal figures to spark their imagination. Designed with age-appropriate play in mind, the set combines hands-on building fun with creative storytelling. Made from eco-friendly wooden bioplastics, the 59-piece set encourages children to develop motor skills, spatial thinking, and an understanding of cause and effect as they construct and experiment with their own marble runs. The included instructions make it easy to start building, while the expandable system grows with your child, offering endless opportunities to redesign and create. Whether playing independently or sharing the fun with friends, this sustainable and educational set provides long-lasting entertainment. A thoughtful gift for toddlers, preschoolers, and early learners, perfect for birthdays, holidays, or any special occasion.