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Walkable demo
Party Obstacle Course: festival out and back
Race a padded out and back course with rollers, seesaws, spinners and bumpers, then mount the podium.
About
A festival out and back course on a grass field: start gate south, seven stages up the west lane, a turn compound at the north end, seven stages back down the east lane, flag arch and three place podium.
Placed: all 30 ground models. Platforms, junction, landings, ramp, steps, gap blocks, beam, bridge, sweeper, paddle gate, bumpers, pendulum, lift, both gates, beacons, bleachers, canopies, booth, consoles, speakers, rails, corners, posts, mats, chests and podium. Lane dividers and a full perimeter fence with a south entry keep visitors on the walk.
Movement: the sweeper, paddle gate, seesaw, pendulum, bumpers and lift run on always so the machinery is live on arrival. Everything else rides proximity. No posed figures in this pack, so nothing is set to off. Linkages that cannot be rigid node animation are left static by the authors and described as fixed padding.
Not placed: the festival out and back challenge starter scene. It is a 28 by 29 m single model on a free origin that would swallow the whole walkable plot and duplicate every stage, so the demo builds the same course from its parts instead. The pack holds 31 designs and the demo places 30 distinct models, which is the whole placeable kit: 48 distinct is not reachable from a 31 design pack.
Every piece here is a published model from the pack, placed by hand. Walk with the keys or touch, and approach a piece to see it move if it has animation. Colliders, navigation and gameplay are yours to add.
Points of interest
Start lights
The light gate frames the out lane: steps, ramp and rollers ahead, crowd on both sides.
Start light gate (Party Obstacle Course)Climb and roll
Four steps up, a padded ramp, then the seven roller bridge where footing keeps moving.
Seven-roller bridge (Party Obstacle Course)Seesaw and sweeper
The bearing seesaw tips under weight, then the padded sweeper arm spins across the pad.
Rotating padded sweeper (Party Obstacle Course)Top turn
Quarter turns and the three way junction swing runners around to the back lane.
Three-way checkpoint junction (Party Obstacle Course)Paddles and pendulum
The four paddle gate rotates through the lane while the padded pendulum swings overhead.
Suspended padded pendulum (Party Obstacle Course)Bumpers and lift
Piston bumpers punch out from the walls, then the guided lift carries runners to the gap jumps.
Guided low lift (Party Obstacle Course)Drums and home straight
Stepping drums dot the last platform, then a clear run under the flag arch.
Finish flag arch (Party Obstacle Course)Podium
Three places on the celebration podium face the finish arch and the timing booth.
Three-place celebration podium (Party Obstacle Course)
Use with an AI agent
Copy this prompt into your AI chat to rebuild the layout, then describe what to change.
Rebuild the "Party Obstacle Course: festival out and back" demo scene from the Party Obstacle Course pack in my project. Layout (JSON, every placement with its CDN URL): https://3dassets.dev/api/v1/demos/party-obstacle-course Pack manifest: https://3dassets.dev/api/v1/packs/party-obstacle-course Demo page: https://3dassets.dev/demos/party-obstacle-course - 203 placements of 30 models; units are metres, +Y up, rotation is yaw in degrees about +Y - Spawn at (0, 0, 22.8) facing 180 degrees; eye height 1.6 m - Licence: CC0 1.0 Universal (no attribution required) - Loading: three.js GLTFLoader, one load per distinct model, cloned per placement; no decoders required
Also available as JSON or Markdown, and via the MCP server.
Common questions
How do I use this scene with my AI development tools?
How do I get started?
Which game engines and tools can I use this scene with?
How do I import this scene into Unity, Godot, Unreal or Blender?
Can I use this scene in a commercial game, and do I need to credit anyone?
Can I load it from the CDN instead of downloading it?
Is the demo itself a file I can download?
Can I change the scene, or add gameplay to it?
Models in this demo
Padded straight platform (Party Obstacle Course)
Padded straight platform in a padded coral and teal festival family.
Four-step approach (Party Obstacle Course)
Four-step approach in a padded coral and teal festival family.
Rising padded ramp (Party Obstacle Course)
Rising padded ramp in a padded coral and teal festival family.
Seven-roller bridge (Party Obstacle Course)
Seven-roller bridge in a padded coral and teal festival family.
Narrow padded balance beam (Party Obstacle Course)
Narrow padded balance beam in a padded coral and teal festival family.
Bearing-mounted seesaw (Party Obstacle Course)
Bearing-mounted seesaw in a padded coral and teal festival family.
Rotating padded sweeper (Party Obstacle Course)
Rotating padded sweeper in a padded coral and teal festival family.
Three-way checkpoint junction (Party Obstacle Course)
Three-way checkpoint junction in a padded coral and teal festival family.
Terminal landing (Party Obstacle Course)
Terminal landing in a padded coral and teal festival family.
Quarter-turn platform (Party Obstacle Course)
Quarter-turn platform in a padded coral and teal festival family.
Rotating four-paddle gate (Party Obstacle Course)
Rotating four-paddle gate in a padded coral and teal festival family.
Suspended padded pendulum (Party Obstacle Course)
Suspended padded pendulum in a padded coral and teal festival family.
Padded piston bumper (Party Obstacle Course)
Padded piston bumper in a padded coral and teal festival family.
Guided low lift (Party Obstacle Course)
Guided low lift in a padded coral and teal festival family.
Twin gap jump blocks (Party Obstacle Course)
Twin gap jump blocks in a padded coral and teal festival family.
Start light gate (Party Obstacle Course)
Start light gate in a padded coral and teal festival family.
Finish flag arch (Party Obstacle Course)
Finish flag arch in a padded coral and teal festival family.
Raised stepping drum (Party Obstacle Course)
Raised stepping drum in a padded coral and teal festival family.
Stitched landing mat (Party Obstacle Course)
Stitched landing mat in a padded coral and teal festival family.
Checkpoint beacon (Party Obstacle Course)
Checkpoint beacon in a padded coral and teal festival family.
Straight perimeter rail (Party Obstacle Course)
Straight perimeter rail in a padded coral and teal festival family.
Corner perimeter rail (Party Obstacle Course)
Corner perimeter rail in a padded coral and teal festival family.
Terminal perimeter post (Party Obstacle Course)
Terminal perimeter post in a padded coral and teal festival family.
Three-tier spectator bleacher (Party Obstacle Course)
Three-tier spectator bleacher in a padded coral and teal festival family.
Festival shade canopy (Party Obstacle Course)
Festival shade canopy in a padded coral and teal festival family.
Festival equipment chest (Party Obstacle Course)
Festival equipment chest in a padded coral and teal festival family.
Roofed operator booth (Party Obstacle Course)
Roofed operator booth in a padded coral and teal festival family.
Timing control console (Party Obstacle Course)
Timing control console in a padded coral and teal festival family.
Twin speaker tower (Party Obstacle Course)
Twin speaker tower in a padded coral and teal festival family.
Three-place celebration podium (Party Obstacle Course)
Three-place celebration podium in a padded coral and teal festival family.