A listing of individual items that make up a package is provided on the package item's product detail page along with real-time item availability of those items. For more advanced builders and artists, all kits can be painted piece-by-piece to look even better.Ī "package" is made up of two or more items sold as a set, often for a reduced price. These kits are also made to be supplemented with other toys kids can use LEGO figures or other toys to man siege engines or operate bridge controls as a miniature train or other vehicle starts to cross. Catapults and trebuchets throw things, bridges can turn and lift using cranks and other wooden controls, and hydraulic machines can be controlled by liquid-filled syringes. Using three different syringes on a control panel of sorts, the arm can be used to move up and down, turn, and grab objects between two foam panels.Īll kits are fully interactive. The hydraulics-powered Robotic Arm is a great example of a scientific principle in action. The creator of these kits even suggests combining the medieval siege weapons with math and physics lessons to learn about trajectories and graphing. Kids can learn not only how modern and medieval inventions were put together, but they can also see the scientific principles in action that make them work. While this level of complexity increases the time it takes to put together these kits (about 1 to 2 hours), it also drastically improves the functionality and realism. The attention to detail and precise engineering of these kits is absolutely wonderful. A tiny rope strung through the middle and wound by torsion bars gives the catapult its power, allowing it to hurl miniature stand-ins such as fruit, marshmallows, or even tiny rocks in the exact same way several-hundred-pound projectiles were once thrown in medieval times. Small wooden pegs (miniature versions of the huge pegs used in the real deal) connect crossbars, supports, and pieces of the frame just as nails would in modern-day building projects. But its not just a glued-together wooden frame with a rubber band attached these kits are put together almost precisely how the real thing was, using only authentic parts. The catapult, for example, stands at 8" tall, 5" wide, and can fling small objects over 15 feet. Once you finish putting everything together, the set becomes a fully-functional scientific or historical representation. Heres how they work: each kit comes as a set of pre-cut wooden pieces, which are assembled according to illustrated black and white instructions. The main purpose of these all-natural, untreated wood kits is to demonstrate scientific principles in action.
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