Enhance the excitement of our with this 40-piece expansion pack. This set includes 34 extra plastic building components and 6 marbles, allowing young builders aged 3 years and up to create even more elaborate and thrilling marble tracks. Extend the possibilities of your marble run, incorporating new twists, turns, and challenges into your creations. Each component is designed for durability and ease of use, ensuring endless hours of engaging play and exploration. Let imaginations soar as children experiment with gravity, momentum, and construction while crafting unique marble pathways. With this expansion set, the marble run adventure grows, providing added versatility and creative opportunities for budding builders to enjoy.