To provide a connector for a jungle gym facilitating installation/removal of a tube and a connector and attaining a strong connection, and a jungle gym configured by the tubes connected thereby, the jungle gym comprises a plurality of tubes 2 and a connector for a jungle gym 1, the jungle gym connector 1 includes at least three connector arms 12 which protrude from a base portion 11 for being inserted into the tube 2, the connector arms 12 are disposed to intersect each other at right angles, the connector arm 12 includes at least one pair of cutout portions portion 14 which is formed as a flexible portion 13 which is elastically deformable to deflect by pressing force, and a locking projection 15 is formed at a center of the flexible portion 13 for being fitted into a locking hole 20 of the tube 2.