Discover Hape's Castle escape marble run, a construction game from the Quadrilla range, a 52-piece marble run and 50 marbles for children from 4 years old. Escape the castle's rotating tower with this exhilarating set from Quadrilla that includes two transparent staircases. As they descend the rail, the marbles ring three hanging bells A step-by-step buildable course with twists and turns that invites young builders to create gravity-defying marble runs. You can build the circuit you want thanks to the different models offered. A very nice gift idea for children who will watch the balls slide with wonder. Solvent-free water-based paint. Packaging with natural soy-based ink. Very robust, the toys guarantee sufficient durability over several generations. We encourage passing toys on to the next generation instead of throwing them away.