A little help from you is enough for children to set up the tent and the tunnel, with two durable shock-corded tent poles that are virtually unbreakable and fit easily into the pockets on the tent pole. All parts will be easy to understand and is suitable when used. Its tunnels are made of spring steel, keeping the tunnel not getting twisted. The tunnel measures 7 inches in diameter with a length of 4 meters. The tunnel is covered by nylon and is made of flame-retardant 70 denier polyester meeting CPAI-84 standards. The Interior is soft for the comfort and safety of your children. If you want to buy this product, the Pacific Play Tents Safari Tent and Tunnel Com for your children for the next summer.