Features: Magnetic Track Design: Build endless layouts—straight tracks, curves, slopes, and even vertical sections. Strong 360-degree magnetic force enables trains to run uphill, downhill, and upside down for exciting play. Easy to Assemble, Store & Play: Quick-snap track pieces make setup and cleanup simple. Detachable design is ideal for storage and travel, perfect for solo play or parent-child activities. Safe, Sturdy & Thoughtful Gift: Made with high-quality, child-safe materials and strong magnets. Supports development of creativity, coordination, and problem-solving skills. A great gift for birthdays, holidays, or special occasions. Rail Cubes Magnetic Monorail Set includes an expanded block collection for more intricate and complex track designs. Create multi-level routes and imaginative configurations while mini trains glide smoothly along the tracks for engaging, dynamic play. Perfect Gift for Kids: A fun, educational toy that grows with your child. Preschoolers can develop hand-eye coordination by building basic track systems, while children aged 3 and up can create more advanced layouts. Ideal for birthdays, Easter, Christmas, Thanksgiving, or other celebrations. Notice: 1. Actual color may vary slightly from images due to lighting conditions. 2. Please allow 1–3 cm measurement variance due to manual measurement. Specifications: 123 pcs / 81 pcs / 51 pcs