Build the ultimate ball track with this new SMARTMAX magnetic construction set that contains an amazing 71 pieces! With endless options you can make all kinds of crazy machines and let the balls roll. Mega Ball Run contains special parts including tubes and X-shaped bars with 4 magnetic ends. SmartMax enables young children to explore magnetism safely, with strong, oversized pieces that are specifically designed for handling by young kids. SmartMax products are safe and durable, made from the highest quality materials. Our magnets are incredibly strong, able to carry up to 60 times their own weight! SmartMax magnetic bars feature unqiue color codes: "Cold"-colored bars (blue, green, purple) attract "warm" colored bars (red, orange, yellow). Warm-colored bars repel other warm-colored bars, cold-colored bars repel other cold-colored bars. SmartMax products include complete, colorful guides with both product information and sample designs. All parts can be combined with all existing SMARTMAX sets, creating an endless range of possibilities!

• STEM LEARNING FUN: SmartMax Mega Ball Run features colorful oversize bars, metal balls and tubes for a super fun introduction to dynamic STEM concepts for young kids. Set up your structures...and watch the balls roll!
• ENGINEERING AND CREATIVITY: Designed for ages 3+, kids will be enthralled by the tactile process of clicking the bars and balls together. Kids ages 5+ can create largers balls runs for a dynamic STEM experience. SmartMax magents can carry up to 60x their own weight...making extraordinary structures possible!
• SET INCLUDES: 71 colorful pieces with strong bars, metal balls, tubes, connectors and a slide.
• ENDLESS PLAY: All SmartMax sets are compatible with each other. Kids can start building...and keep building.
• QUALITY AND SAFETY: Award-winning SmartMax Magnetic Discovery sets are build with high quality materials, including sonically welded bars.