Use this new Smart Max magnetic construction set to create amazing structures. An entry into the Smart Max ball run line, click & roll includes 30 pieces that enable kids to make all kinds of crazy structures and let the balls roll. Click & roll contains special parts including straight and curved tubes, panels with holes and funnels. Includes 2 Long bars, 8 Medium bars, 3 curved tubes, 2 straight tubes, 2 funnels, 9 metal balls, 4 panels with holes and a building guide. Smart Max enables young children to explore magnetism safely, with strong, oversized pieces that are specifically designed for handling by young kids. Smart Max products are safe and durable, Made from the highest materials. Our magnets are incredibly strong, able to carry up to 60 times their own weight. Smart Max magnetic bars feature unique colour codes: "cold"-coloured bars (blue, Green, purple) attract "warm" Coloured bars (red, orange, yellow). warm-coloured bars repel other warm-coloured bars, cold-coloured bars repel other cold-coloured bars. Smart Max products include complete, colourful guides with both product information and sample designs. All parts can be combined with all existing Smart Max sets, creating an endless range of possibilities.