A guide system includes a plurality of posts having a first end and a second end. The first end has a tapered section that terminates into an elongated section. The elongated section terminates into a gripping section. The posts are stored in a guide system case having a plurality of sleeves that receive the posts.

The novel system of the present invention includes a plurality of moveable markers, such as cones, having two visually contrasting indicators useful for physically and visually demarcating activity zones. The markers can be dispersed spatially, such as being placed on the ground or on posts, to demarcate areas, zones, regions or boundaries, for conducting an activity, such as soccer practice. The system is useful to guide, instruct, monitor or constrain the activity of an individual, or object. Alignment of the markers can visually separate one zone from another zone so as to indicate different activities for each zone.

Embodiments described herein relate to a system which includes a vertical support, a elevation coupler attachable to the vertical support, and a first outer horizontal member couplable to the elevation coupler to extend from the elevation coupler at an angle substantially perpendicular to the vertical support. The system includes a first inner horizontal member couplable to the first outer horizontal member. The system includes a second outer horizontal member couplable to the elevation coupler and a second inner horizontal member couplable to the second outer horizontal member to form a grid in an elevated position to provide an arrangement suitable for a game. The vertical support is adjustable in length to adjust a height of the grid.

The invention relates to a white-water river, comprising a river bed capable of guiding a current of water between an upper inlet of the bed and a lower outlet of the bed, and including water-feeding means for injecting a stream of water at the upper inlet of the bed. The river bed is made up of a series of individual bed modules, adjacent to one another, and assembled via respective transverse contact surfaces. The individual bed modules are supported via a lower surface by a modular lattice bearing structure.

A device for quickly deploying and collecting visible markers is disclosed. Visible markers can include a base that can support an upright flag for use in sports training, marketing, or traffic/emergency situations. The device for retaining the bases can be comprised of a frame having two vertical legs joined by a horizontal member, which can serve as a handle, at a top portion of each of the two vertical legs. A foot is attached to the bottom end of each of the two vertical legs, each of the feet are at an angle to the corresponding vertical leg to allow feet to be received in apertures of a base device and the angle of the feet retain the base device on the frame.

A device for quickly deploying and collecting visible markers is disclosed. Visible markers can include a base that can support an upright flag for use in sports training, marketing, or traffic/emergency situations. The device for retaining the bases can be comprised of a frame having two vertical legs joined by a horizontal member, which can serve as a handle, at a top portion of each of the two vertical legs. A foot is attached to the bottom end of each of the two vertical legs, each of the feet are at an angle to the corresponding vertical leg to allow feet to be received in apertures of a base device and the angle of the feet retain the base device on the frame. The base retaining device also has a control member attached to frame, and the control member is coupled to each of the feet to move each of the feet between a base retaining position and a base releasing position.

The invention relates to a white-water river, comprising a river bed capable of guiding a current of water between an upper inlet of the bed and a lower outlet of the bed, and including water-feeding means for injecting a stream of water at the upper inlet of the bed. The river bed is made up of a series of individual bed modules, adjacent to one another, and assembled via respective transverse contact surfaces. The individual bed modules are supported via a lower surface by a modular lattice bearing structure.

Systems and methods for providing a slalom racing gate monitor system are provided herein. A system includes a microcontroller; a first, second, and third sensor, each coupled to the microcontroller, the first, second, and third sensors each having a field of view and disposed on a slalom pole, and disposed where the fields of view of the first, second, and third sensors substantially cover a 360 degree field of view around the slalom pole; wherein the microcontroller is to: obtain a sequence of sensor readings from a plurality of sensors of the first, second, and third sensors, each reading in the sequence of sensor readings indicating an object detected in the field of view of the respective sensor; determine whether the object passed the slalom pole on a correct side; and present a notification of whether the object passed the slalom pole on the correct side.

A marker cone system which provides users with greater spatial awareness and guidance when using marker cones for sports training or other sports and/or non-sports related activities. The marker cone system generally includes a weight which may be installed underneath the marker cone and a post receiver which may be installed within the channel of a marker cone. The post receiver and weight will generally be connected together, such as by threaded engagement, with the marker cone being secured therebetween. A marker post may be removably inserted within the post receiver to improve visibility or provide additional functionality. The marker post may include a slot to reduce wind resistance and one or more receiver openings adapted to removably receive cross members. By utilizing multiple marker posts with post receivers, one may construct a hurdle, fence, goal, or any number of structures for sports or non-sports applications.

A safety warning device includes an integrally formed telescopic warning body which is a flexible bellows-shaped tube having a bottom end, a top end, and a bellows section connecting the top end and the bottom end. As a result, the telescopic warning body can be compressed and elongated by an external force, thereby minimizing the volume and facilitating the moving of the safety warning device, as well as achieving the goal of extending the usage life and having better safety.