LEGO 10882 DUPLO Town Train Tracks Expansion Set & 10931 DUPLO Town Truck & Tracked Excavator Construction Vehicle Toy for Toddlers 2-4 Years Old Girls & Boys, Fine Motor Skills Development

Product Information

Use this set with the 10874 Steam Train or 10875 Cargo Train to extend the possibilities of your LEGO® DUPLO® train collection. Specially designed for a first contact with the buildable toy it can be assembled in different ways and makes for a good addition to a new or existing train set. Other multiples would have to have some number of self-intersections, with 0, 24 and -24 all requiring at least 1, and the relative curvature of the two loops determining which one you get. The (number of inward curving) minus (number of outward curving) sections must be 12 to join up cleanly.

The largest ever LEGO set to date is a scale-model of the Taj Mahal, which was made out of 5922 pieces. I will note about the example you gave on Thingverse that the mechanical design of the moving parts seemed well thought out and could prove practical in a revised geometry. The company has approximately 10,000 employees and is the world's third largest manufacturer of play materials.Reddit and its partners use cookies and similar technologies to provide you with a better experience. The toy train tracks included in this set make an ideal gift for LEGO® DUPLO® train fans and are compatible with your child’s existing LEGO® DUPLO® train collection (the action bricks are not compatible with older DUPLO trains).

To summarize, we can give each piece a list of 4 numbers, and the pieces form a loop only if summing the pieces' numbers with each other result in a list of four zeros. Important: Your credit card will NOT be charged when you start your free trial or if you cancel during the trial period. Product 1: The toy train tracks included in this set make an ideal gift for LEGO DUPLO train fans and are compatible with your child’s existing LEGO DUPLO train collection (the action bricks are not compatible with older DUPLO trains). Preschoolers will also love to place the red action brick on the track and make any compatible DUPLO train (sold separately) stop when it reaches it. I figured out why the fit is so snug, however, and I don't know why LEGO did it this way, but the ties of the curves are about 1mm wider that those of the straight track sections.I designed the "R2" based on the existing Y switch, but not considering a whole coherent system, as exists for traditional model railways (one of my other hobbies :) ).