Spark your child's imagination with the Quercetti Migoga Junior Starter Set, a vibrant 22-piece marble run designed for little builders. This set allows for quick and easy assembly, encouraging endless creative configurations thanks to its interlocking design. It includes three large, 4.5 cm diameter marbles that create a delightful rattling sound as they travel slowly down the track, captivating your child's attention. This engaging toy is perfect for fostering early learning and development. It stimulates children to experiment, discover new solutions, and observe the world around them through trial and error. The set is expertly designed to enhance fine motor skills, creative thinking, hand-eye coordination, and understanding of cause and effect. Key Features: * 22 colorful, interlocking pieces for easy assembly. * Includes 3 large (4.5 cm diameter) rattling marbles. * Promotes fine motor skills, creativity, and hand-eye coordination. * Encourages learning through experimentation and cause-and-effect. * Suitable for ages 18 months to 5 years. Product Summary: Quercetti marble run, junior starter set, 22 pieces, interlocking, toddler toy, early learning, fine motor skills, creative thinking, hand-eye coordination, cause and effect, 18 months+, 4.5 cm marbles.