Escape from the castle's rotary tower with this exciting Quadrilla set featuring two transparent stairways. As the marbles make their way down the rail they sound three hanging bells. Can you escape the castle's rotary tower? FEATURES: 102 PIECE SET: With 102 pieces let your creative side flow with endless possibilities and hours of fun to be had with two transparent stairways and three hanging bells that the marbles will ring on the way down., DEVELOP: Watch your child develop their imagination, problem-solving skills, counting, color identification and more while playing while “escaping the castle walls”., STEAM: Helps to develop spatial thinking and an understanding of Science, Technology, Engineering, Art and Mathematics principles, DOWNLOAD THE HAPE QUADRILLA APP that has tons of step–by–step instructions. Build fantastic tracks that offer new challenges and help grow young imaginations. Share in the joy of custom marble tracks and post yours to other Quadrilla enthusiasts. WHAT'S INCLUDED: 101 Pieces. DETAILS: Age: 4 years & up, 22.83" H x 10.24" W x 24.8" L, Plastic, Wipe clean, Model no. E6019, Imported. Gift Givers: This item ships in its original packaging. If intended as a gift, the packaging may reveal the contents. Size: One Size. Color: Multi. Gender: unisex. Age Group: kids. Material: NONE.