The familiar empty children's tunnel seems like such a basic concept that it could not be made significantly better. But the addition of tactile elements to empty tunnels creates a much more vivid sense in children that their play is a visual and physical adventure with a beginning and middle and end. Set the familiar empty tunnel next to a tunnel with tactile elements in it and watch which tunnel holds the child's interest. The empty tunnel becomes the old version now replaced by Tunnel 2.0. Usage of tactile immersion as an element in children's play is a patented concept with wide potential applications.