They'll love this Kidoozie Mega Marble Madness Classic Marble Maze. FEATURES: ENDLESS CREATION OPPORTUNITIES: Design and build gravity-defying marble racetracks with endless configurations thanks to the vast array of over 70 pieces versatile pieces included., IMAGINATION TAKES CONTROL: Twists, loops, drops, and ramps – fuel your child's creativity and problem-solving skills as they bring their track visions to life., FRIENDLY COMPETITION: Get ready for thrilling marble races! Challenge friends down custom-built tracks with 30 vibrant marbles included., TOWERING TRIUMPH: Witness your child's engineering prowess as their creation stands impressive at over 28 inches tall, a proud centerpiece for their playtime kingdom., PRODUCT SPECIFICATIONS: Package contains 30 marbles, 22 stacking tubes, 4 bases, 2 starter towers, 14 other assorted track accessories and instructions. Recommended for children 3 years and older. WHAT'S INCLUDED: 30 marbles, 22 stacking tubes, 4 bases, 2 starter towers, 14 other assorted track accessories and instructions. DETAILS: 13.6"H x 17.5"W x 3.9"D, Plastic, Age: 3 years & up, Model no. G02738, Some assembly required, Wipe clean, Imported. Size: One Size. Color: Multi. Gender: unisex. Age Group: kids. Material: NONE.