Build a tunnel with this red and white 192 piece building block set, which is suitable for indoor and outdoor use. It comes with full pictorial instructions and plans on how to build it with the sturdy interlocking 20 x 10 x 7.5 cm building pieces. If using the included plans, once built, the tunnel will measures 60 x 68 x 100 cm. Further plans can also be drawn up and the building blocks in the set can then be used to build almost any other structure in your child's imagination. For ages 10 months and over. EAN: 8412499882418. WARNING(S):Only for domestic use. To be used under the direct supervision of an adult.