Kit. L 8.0 x W 3.0 x H 5.5 cmPassage height 4.5 cm / Passage width 2.0 cmFilling station L 10.0 x W 4.0 x H 3.5 cmAnnexe L 5.5 x W 3.5 x H 2.0 cmLevel of difficulty: 2 (advanced)