GraviTrax Action Pack Color Swap

<h3>Color Swap</h3> <p>A clever tunnel-shaped action block that gives the illusion of changing the color of a marble. By a clever sleight of hand, the ball goes inside the block and comes out in another color. An easy-to-master magic trick that is sure to have a spectacular effect in a GraviTrax marble run!</p> <h3>Infinitely Modular And Compatible</h3> <p>with all GraviTrax products. This action block is played with at least one Starter Set (essential to get started) and then combines with all GraviTrax elements. Discover a wide range of expansion sets and action blocks to enrich your circuits and imagine an unlimited number of different courses.</p> <h3>Contents</h3> <p>1 Color Swap action block, 3 marbles, 1 illustrated user guide</p> <h3>A Great Gift</h3> <p>for girls and boys aged 8 and up, and for building fans of all ages! Made in Europe with high quality materials, GraviTrax elements are made to last and guarantee hours of play and assembly, alone or with others. A perfect gift idea for a birthday or for Christmas.</p> <h3>Educational Stem Game</h3> <p>GraviTrax is a very playful construction system that allows children to experiment with physical laws such as gravity, magnetism or kinetic force. By manipulating the blocks and testing their own assemblies, they develop both their creativity and their understanding of these scientific principles.</p>