The Junior Marble Run is a brilliant start to your child's building adventure! Crafted by MindWare, this marble run set is specifically designed for the tiniest builders, making it a perfect STEM toy for kids aged 12 months and up. It's all about the interactive fun and development of key skills, including eye strength, tracking abilities, and motor skills. This toddler marble run features 14 oversized, brightly-colored pieces and 5 giant marbles, along with fun features that are designed to captivate and engage your little ones. There's a wonderful blend of visual and auditory stimulation as marbles roll slowly, spin mirrors, and churn out delightful sounds. Built for toddler building needs, the pieces are sturdy and easy to assemble, contributing to the development of your child's cognitive and fine motor skills while ensuring safety at play. Moreover, quick and sturdy assembly introduces your child to the basics of building games, fostering a sense of achievement when their marble maze masterpiece is complete! Follow the step-by-step instructions for a hassle-free set-up - it's as easy as child's play! This marble run for toddlers 1-3 is carefully engineered to allow each marble to travel at a slow pace, increasing your child's excitement while enhancing their tracking ability as they watch the marble navigate the course. Ideal for indoor recess games for classroom or home use, Junior Marble Run is more than just a toy - it's a brilliant tool for child development. Encourage your child's growth and creativity with this impressive marble run with large balls - it's their first step towards becoming a budding engineer!