Hape castle escape quadrilla knikkerbaan – 102 delig bouwset met klokkjes en transparante trappen, vanaf 4 jaar Kinderzitjes accessoires en onderdelen Designed to work with the Constant high shrinking quality Designed to work with the 24 mm Snap Channel bottom bracket 5 x 24 x 37 centimeters in size 50 marbles and a catcher • The transparent stairs and bubbles add a new look and sounds to the quadrilla experience • The catcher makes it easier to catch the marbles at the end of the race • Endless possibilities to change the layout architectural and mathematician (WTBW) principles • Recommended by The Wall Street Journal as the Perfect toys to teach children to codem • to combine with all Hape Quadrilla sets • Suitable for 4 years and older