For the first time, fishing technique can be extended ball tracks with a trampoline. The ball falls on the trampoline and jumps into the gyroscope. With this kit you can build an action-packed model that is ideal for installation in other marble runs. For all fischertechnik ball track fans, there is a free building instructions on the fischertechnik website that describes how to install the trampoline in the Dynamic M construction kit. In addition, there are no limits to the creativity for the installation of the trampoline in all other fishing techniques. Endless fun is guaranteed! Includes 2x spinning funnel, trampoline cover, 90 curve, 5x spheres, 2x flex rail 90, flex rail 180. Ideal addition to all dynamics line construction boxes.