Elevate your coding fun with this Quadrilla expansion kit. Designed to boost your Quadrilla set`s coding experience, it adds flair, challenges, and versatility to your marble run. COMPLETE ACCESSORY SET: This expansion pack includes 10 challenge cards, 2 stickers, 1 launcher, 1 collector, 1 red seesaw block, and 1 blue seesaw block, offering a comprehensive experience for marble run enthusiasts. ENHANCED VISUAL CODING: This pack includes 2 arrow-sticker pieces to make coding instructions more intuitive and visual, and they also simplify the assembly process, making this pack perfect for beginners. VERSATILE MARBLE PATHS: The pack’s 2 seesaw blocks offer endless possibilities for controlling and customizing marble routes, encouraging creativity and experimentation during building. SEAMLESS MARBLE CODING: The kit includes a launcher and receiver, ensuring smooth, sequential marble launches and arrivals, reinforcing the programming aspect of marble coding.