Marble Rush Adventure Set offers an exciting expansion to your marble run, featuring curves, spirals, and special elements. The set comprises 62 parts, including a colorful track, red, yellow, green, blue, and orange marbles, a launcher cannon, a marble hopper, and other unique components. These parts can be combined with all Marble Rush sets, allowing for versatile building possibilities. The set includes colorful instructions with suggestions of varying difficulty levels, and additional ideas can be found online. Beyond providing building fun, this set promotes motor skills, creativity, spatial thinking, and an understanding of cause and effect. The MarBalls included have a diameter of approximately 26 mm. The set adds an element of competition as you explore who will reach the finish line first.