1 Recommended Tools
| Component | Part # | Quantity | Photo |
| Utility Knife | N/A | 1 | |
| Tape Measure | am-4986 | 1 | |
| 5/32 in. Hex Driver | am-2751 | 1 | |
| 3/8 in. Combination Wrench | am-4961 | 1 | |
| 3/8 in. Nut Driver | am-3877 | 1 | |
| 1/2 in. Combination Wrench | am-2746 | 1 | |
| 3/8 in. Impact Nutsetter | am-2755 | 1 | |
| Drill | N/A | 1 | |
| Safety Gloves | N/A | 1 | |
| Flush Cutters | am-3910a | 1 | |
| Carpenter Square | N/A | 1 |
2 Parts List
| Component | Part # | Quantity | Photo |
| Full | Part | ||
| Green ARTIFACT | am- 3376a_green | 12 | 6 |
| Purple ARTIFACT | am- 3376a_purple | 24 | 12 |
| ARTIFACT Tray | am-5706 | 2 | 1 |
| GOAL Front Panel (Red) | am-5716_rs | 1 | 0/1 |
| GOAL Front Panel (Blue) | am-5716_bs | 1 | 0/1 |
| GOAL Rear Panel (Red) | am-5717_red | 2 | 0/2 |
| Component | Part # | Quantity | Photo |
| Full | Part | ||
| GOAL Rear Panel (Blue) | am-5717_blue | 2 | 0/2 |
| GOAL Backboard Panel (Red) | am-5718_red | 2 | 0/2 |
| GOAL Backboard Panel (Blue) | am-5718_blue | 2 | 0/2 |
| GOAL Internal RAMP (Red) | am-5721_red | 1 | 0/1 |
| GOAL Internal RAMP (Blue) | am-5721_blue | 1 | 0/1 |
| GOAL Archway (Red) | am-5730_red | 1 | 0/1 |
| GOAL Archway (Blue) | am-5730_blue | 1 | 0/1 |
| Lower RAMP Blocker Large (Red) | am-5731_red | 1 | 0/1 |
| Component | Part # | Quantity | Photo |
| Full | Part | ||
| Lower RAMP Blocker Large (Blue) | am-5731_blue | 1 | 0/1 |
| Lower RAMP Blocker Small (Red) | am-5735_red | 1 | 0/1 |
| Lower RAMP Blocker Small (Blue) | am-5735_blue | 1 | 0/1 |
| Lower RAMP Support | am-5737 | 2 | 1 |
| 10-32 x 0.5 in. long Screw | am-1002 | 16 | 8 |
| 10-32 x 0.875 in. long Screw | am-1753 | 16 | 8 |
| #10 Nylock Nut | am-1042 | 36 | 18 |
| #10 Washer | am-1026 | 18 | 9 |
| 1/4-20 x 0.75 in. long Threadforming Screw | am-1310 | 52 | 26 |
| Upper RAMP Large Bracket | am-5719 | 2 | 1 |
| Component | Part # | Quantity | Photo |
| Full | Part | ||
| Upper RAMP Small Bracket | am-5720 | 2 | 1 |
| GOAL Border Clip | am-5722 | 4 | 2 |
| Upper RAMP Mount | am-5723 | 2 | 1 |
| RAMP 28 in. Peanut Extrusion | am-5725 | 4 | 2 |
| RAMP 45 in. Peanut Extrusion | am-5733 | 4 | 2 |
| Hat 6.25 in. Churro Extrusion | am-5724 | 4 | 2 |
| RAMP 45 in. Churro Extrusion | am-5734 | 6 | 3 |
| Undertile Disk | am-5422 | 4 | 2 |
| Component | Part # | Quantity | Photo |
| Full | Part | ||
| 1/4-20 x 1.25 in. long Hex Head Cap Screw | am-1738 | 4 | 2 |
| 1/4-20 Wing nut | am-1705 | 4 | 2 |
| RAMP Support Bracket | am-5726 | 4 | 2 |
| RAMP End Bracket | am-5727 | 2 | 1 |
| GATE Arm | am-5728a | 2 | 1 |
| M5 Flanged Bearing | am-5469 | 4 | 2 |
| 9/32 in. #10 Spacer | am-1757 | 2 | 1 |
| 1/2 in. 10 Spacer | am-1758 | 2 | 1 |
| 2.5 in. 10-32 Screw | am-1024 | 2 | 1 |
| 1 in. Spacer | am-1696 | 4 | 2 |
| 1.5 in. 10-32 Screw | am-1014 | 2 | 1 |
| Component | Part # | Quantity | Photo |
| Full | Part | ||
| Red Cable Ties (consumed with each build) | am-1552_red (or equivalent) | 100 | 0/100 |
| Blue Cable Ties (consumed with each build) | am-1552_blue (or equivalent) | 100 | 0/100 |
| OBELISK Panel | am-5714 | 3 | 3 |
| OBELISK Sticker, ID21 | am-5704_id21 | 1 | 1 |
| OBELISK Sticker, ID22 | am-5704_id22 | 1 | 1 |
| OBELISK Sticker, ID23 | am-5704_id23 | 1 | 1 |
| FIRST® Tech Challenge Sticker | am-5708 | 2 | 1 |
| Do NOT Use - Please Disregard: Large Plastic Gate Spacer 0.192 in. ID x 0.625 in. OD x 0.500 in. Long | 2 | 1 |
Do NOT Use - Please Disregard:
Large Plastic Gate Spacer
2
1
0.192 in. ID x 0.625 in. OD x 0.500 in. Long
3 Fasteners & Tightness
There are no specifications for torquing the various fasteners used on the FIRST® Tech Challenge FIELD.
Unless otherwise noted, all fasteners should be fully tightened as part of the assembly process.
For general reference:
• No fasteners should deform the items being connected.
• Threadforming screws should be tightened until no threads are visible.
o When threaded into Churro Extrusion, they should be tightened until the Churro Extrusion
can no longer rotate when spun by hand.
• Screws threading into nylock nuts should be tightened until no threads are visible between the
screw head and nut, and the nut/screw combination can no longer rotate when spun by hand.
• Initial assembly may require loosely attaching Cable Ties to enable correct assembly.
o Fully secured Cable Ties should be tightened until they can no longer be pulled further by
hand, and the objects being connected do not move relative to each other.
4 FIELD & Perimeter Assembly
This guide includes instructions for building the FIELD elements used in the construction of a FIELD to
play the 2025-2026 FIRST® Tech Challenge game, DECODE. It does not include the full details for
assembly of a FIELD on-site at an event.
These FIELD elements can be pre-assembled to save time during event setup, and the steps outlined in
this guide can be done off-site, before the event setup day.
Lower RAMP Assembly
WARNING
Metal parts MAY have sharp edges.
Be careful when handling them. Using
gloves is recommended. Sharp edges
can be deburred with a deburring tool
or sandpaper.
5 Lower RAMP Assembly
Step 1
Affix [2] 45 in. peanut extrusions (am-5733) to each of [2] RAMP End Brackets (am-5727) using [4] 1/4-
20 Threadforming Screws (am-1310). Note that the “tongue” of the RAMP End Bracket always faces
away from the peanut extrusion. (Repeat this step for each Lower RAMP).
am-1310
2X
Step 2
Attach [1] Upper RAMP Small Bracket (am-5720) to each pair of peanut extrusions connected to each
RAMP End Bracket in Step 1 using [4] 1/4-20 Threadforming Screws (am-1310) on each Lower RAMP
Assembly. (Repeat this step for each Lower RAMP).
2X
Step 3
Affix [3] 45 in. churro extrusions (am-5734) to the assembly as shown using [6] 1/4-20 Threadforming
Screws (am-1310), installing [1] screw at each end. You can use a 1/2 in. wrench to prevent rotation of
the churro.
Note that the churros are mounted in different locations using different sets of holes for each RAMP.
am-1310
Blue RAMP
Red RAMP
`
Warning: Ensure Lower RAMP is Properly Aligned
During assembly the RAMPS may be built with a slight “twist.” To ensure proper RAMP function, make
sure both RAMPS sit flat when placed on a flat level surface, with no twist down their length.
Step 4
Attach [1] RAMP Support Bracket (am-5726) to each Lower RAMP Assembly using [2] 0.5 in. long 10-32
screws (am-1002) and [2] 10-32 Nylock Nuts (am-1042) on each Lower RAMP Assembly. Tighten
completely.
am-1042
am-1002
2X
Step 5
Create a GATE Stop on each Lower RAMP Assembly by sliding [2] 1 in. spacers (am-1696) over [1] 2.5
in. long 10-32 screw (am-1024) and affixing it to each RAMP End Bracket with [1] 10-32 nylock nut (am-
1042). The spacers are always on the outside of the Lower RAMP Assembly, on the opposite face of the
RAMP End Bracket from the churros. The hole used to attach the GATE Stop will be different between
the blue and red RAMPS and is always on the side with the “extra” churro.
am-1696
am-1024
am-1042
GATE Stop
installed near
“extra” Churro
Blue RAMP
Red RAMP
Step 6
Create [2] GATE Assemblies by inserting [2] M5 bearings (am-5469) and [1] #10 spacer (am-1757) into
each of [2] GATE Arms (am-5728). Bearings should be fully inserted into the GATE Arm.
It may be useful to use the 1.5 in. long 10-32 screw (am-1014) from the next step to help keep the #10
spacer (am-1757) in the correct location during assembly.
If pressing the bearings into the plastic is difficult, during the next step when tightening the pivot screws
it will be possible to ensure the bearings are both fully seated in the GATE arm.
am-1757
2X
Step 7
Attach a GATE Assembly to the front of each Lower RAMP End Bracket using [1] 1.5 in. long 10-32
screw (am-1014), [1] 0.5 in. spacer (am-1758), and [1] 10-32 nylock nut (am-1042) on each Lower RAMP
Assembly. Fully tighten the screws, ensure the bearings have fully seated in their GATE arm and ensure
the GATE pivots smoothly. The GATE assemblies are mirrored relative to the FIELD, the hole used to
attach the GATE Assembly will be different between the blue and red Lower RAMP Assemblies.
am-1758
am-1014
am-1042
Blue RAMP
Red RAMP
Step 8
Attach [2] 6.25 in. Hat churros (am-5724) to each Upper RAMP Small Bracket using [4] 1/4-20
Threadforming Screws (am-1310).
am-1310
2X
Upper RAMP Assembly
WARNING
Metal parts MAY have sharp edges.
Be careful when handling them. Using
gloves is recommended. Sharp edges
can be deburred with a deburring tool
or sandpaper.
6 Upper RAMP Assembly
Step 1
Affix [2] 28 in. peanut extrusions (am-5725) to an Upper RAMP Mount Bracket (am-5723) using [4] 1/4-
20 Threadforming Screws (am-1310). The bent portion of the bracket should be bent towards the
peanut extrusion.
2X
Step 2
Attach [1] Upper RAMP Large Bracket (am-5719) to the peanut extrusions on each Upper RAMP
Assembly created in in Step 1 using [4] 1/4-20 Threadforming Screws (am-1310). The bends on the
bracket face away from the peanut extrusion.
2X
Step 3
Attach [1] RAMP Support Bracket (am-5726) to each Upper RAMP Assembly using [2] 0.5 in. long 10-32
screws (am-1002) and [2] 10-32 Nylock Nuts (am-1042).
am-1002
am-1042
2X
GOAL Assembly
WARNING
Metal parts MAY have sharp edges.
Be careful when handling them. Using
gloves is recommended. Sharp edges
can be deburred with a deburring tool
or sandpaper.
7 GOAL Assembly
Step 1
Create the rear corner of each GOAL by connecting [2] GOAL Rear Panels (am-5717) as shown using [8]
cable ties (am-1552). Ensure cable tie heads are on the outside of the GOAL Assembly. Be careful to
place the rear panels in the correct orientation as shown. Cable ties for this step and all steps should
match the color of the GOAL being assembled – blue cable ties for the blue GOAL and red cable ties for
the red GOAL.
NOTE: During initial assembly, leave cable ties loose. Do not tighten cable ties or trim cable tie tails
until GOAL assembly is complete. Also, pay close attention to the placement of cable tie heads during
installation.
REF: Panel
Top View
Corner Overlap
Blue GOAL
Red GOAL
Back Side of GOAL
REF: Large
Holes
Inside GOAL
Inside GOAL
Step 2
Attach [2] GOAL Border Brackets (am-5722) in the locations shown on the outside of each GOAL
Assembly using [4] 0.875” 10-32 screws (am-1753), [4] #10 washers (am-1026) and [4] 10-32 nylock
nuts (am-1042). The washers must be installed such that they touch the plastic, not the bracket.
Fully Tighten each screw, but do not crush the plastic!
am-1042
am-1753
am-1026
REF:
Large
Holes
Outside of
GOAL
Outside of
GOAL
Step 3
Create the front face of each GOAL Assembly by connecting [1] GOAL Front Panel (am-5716) as shown
using [8] cable ties (am-1552). Ensure cable tie heads are on the outside of the GOAL Assembly such
that they are adjacent to the FIELD perimeter (i.e., not inside the FIELD). Leave cable ties loose for now.
REF: Large Holes
(Not visible from Top View)
Step 4
Attach [1] Internal RAMP (am-5721) to each GOAL Assembly as shown using [6] cable ties (am-1552).
Ensure cable tie heads are on the outside of the GOAL Assembly. Leave cable ties loose so the Rear
Panels can rotate relative to each other in the next step.
2X
Cable Tie Heads on This Side
Step 5
Attach both Upper RAMP Assemblies to the [2] GOAL Assemblies in the locations shown using [4] 0.875
in. long 10-32 screws (am-1753), [4] #10 washers (am-1026), and [4] 10-32 nylock nuts (am-1042) on
each GOAL Assembly. The washers must touch the plastic, not the sheet metal component of the
assembly. Fully Tighten each screw, but do not crush the plastic!
Side Panel
Hidden for
am-1753
Clarity
am-1026
am-1042
Threadforming screws on
the Upper RAMP assembly
protrude through clearance
obrounds. They are not
installed in this panel.
2X
Step 6
Attach the Upper RAMP Assembly and [1] GOAL Archway (am-5730) to the Front Panel and Rear Panel
of each GOAL Assembly using [8] cable ties (am-1552), as shown. Ensure cable tie heads are on the
outside (i.e., not on the side where ARTIFACTS will be scored) of the assembly. Tighten all cable ties on
both GOAL Assemblies at this time.
Cable Tie Heads placed inside
2X
bend of RAMP Support Bracket
Step 7
Apply [1] FIRST® Tech Challenge Sticker (am-5708) to [1] of each color GOAL Backboard Panels (am-
5718) approximately 2 in. (5.10 cm) from each edge, as shown.
2 in.
(5.10 cm)
2 in.
(5.10 cm)
Step 8
Attach [2] GOAL Backboard Panels (am-5718) as shown to the GOAL Assembly using [11] cable ties
(am-1552). Ensure cable tie heads are on the OUTSIDE of the assembly. Tighten all cable ties.
2X
Step 9
Create a Blocker Panel Assembly by connecting [1] Lower RAMP Blocker Small Section (am-5735), [1]
Lower RAMP Blocker Large Section (am-5731), and [1] RAMP Support (am-5737) using [7] cable ties
(am-1552). All cable tie heads should be on the side of the panel with the RAMP Support (the white
component). The white component will attach to a different face on the blue GOAL assembly than on
the red GOAL assembly, as shown.
Blue
Red
OBELISK Assembly &
ARTIFACT Tray Assembly
8 OBELISK Assembly & ARTIFACT Tray Assembly
Step 1
To each OBELISK Plate (am-5714), apply [1] AprilTag Sticker (IDs 21, 22, or 23). Try to make sure the
sticker is applied at the top edge of the panel, centered on the panel (using the notch as a reference)
and is applied without bubbles/wrinkles.
To help with correct application: leave the backing on the sticker and attach it in the correct location on
the panel with small pieces of tape. Slowly peel the small section of backing material off the sticker and
squeegee any air-bubbles out from under the sticker. Once in place, slowly peel the remaining backing
off while squeegeeing out bubbles, and completely adhere the sticker.
TOP TIP for Happy Refs: To assist in rotating the OBELISK to the correct side during FIELD
randomization, it is recommended that the back of each panel is labeled with the MOTIF code shown on
the front face (i.e., 21 - GPP, 22 - PGP, 23 - PPG). This can be done using a marker or label maker.
Notch
3X
Step 2
Using [9] cable ties of any color (am-1552), assemble the OBELISK as shown. Pay close attention to the
geometry of how the corners overlap. When assembling the OBELISK, place the panels such that when
viewed from the top the AprilTags are clockwise in sequential order “21-22-23”, as shown.
Ensure when assembled, all the AprilTag stickers are at the top of the OBELISK Assembly, and on the
outside of the OBELISK.
22
Top
21
View
23
Step 3
Fold the [2] ARTIFACT Trays according to the instructions below.
1
2
3
4
5
6
7
2X
Revision History
Revision
Date
Description
9/5/2025
Initial Release