STK Workshop Optimus Prime
STK Workshop Optimus Prime

“Freedom is the right
of all sentient beings.”

STK Workshop is delighted to be bringing The Transformers to Big Scale Modelers worldwide. Our Optimus Prime die-cast metal model kit features lights and sounds, and is fully posable.
Each model comes with a Blaster and Energon Axe and the option of a Transformers-inspired unique display stand.
Click to leave your email and we’ll let you know as soon as the first pack is available to order

Optimus Prime is a wise and virtuous leader chosen to command the Autobots in their efforts to defeat the Decepticons. His core motivation is to bring freedom and peace to all and this compassionate and skilled leader commands the respect of all Autobots.

In co-operation with


On its display base, this awesome model stands nearly 1 metre tall, and is made of die-cast metal resulting in an overall weight of approximately 13 kg.
The model includes an exclusive locking mechanism on the joints allowing you to fix Optimus Prime in a myriad of action poses!

Height: 78 cm

Width: 38

Depth: 23

(all above dimensions exclude display base)

13 kg approx (24 1/2 lbs)

Material: Die cast metal with ABS

Number of parts: 600 approx

  • Blue lit eyes with five animation settings
  • Functioning lights across the figure’s body
  • Voice and effects sounds
  • Metallic paint
  • Fully posable model with articulated joints
  • Illuminated and removable Matrix of Leadership
  • Includes Blaster and Energon Axe (with lighting effects)
  • Articulated hands
  • Hidden & visible vehicle details (brakes, radiator)
Optimus Prime front cut-out reduced size
HEAD ARTICULATION provides maximum posability.
FACEPLATE moves in sync with his speech.
HANDS and fingers are articulated so he can grip, point, and clench.
WHEELS rotate with some resistance so they feel like they’re connected to an axle inside. Tyres will be high quality soft rubber.
CHEST VENTS will have detail visible through the vents, simulating a real vehicle radiator.
INTERNAL PARTS include brake disc assembly and suspension system parts.
ILLUMINATING BLUE LIGHTS in eyes with six settings: 1. On 2. Blink 3. Fast Blink 4. Breathing 5. Sync to speech 6. Off
FOUR YELLOW SHOULDER LIGHTS simulate dipped and full beam.
TWO COLOURED LIGHTS on his toes with blinking effect.
SOUNDS include Optimus Prime phrases, sound effects and music clips.
SHINY ARMOUR in red and blue metallic paint with metal and chrome parts covers intricate internal structures.
ILLUMINATED MATRIX OF LEADERSHIP in two versions: one is removable, hidden behind a matrix chamber door; the second is slightly bigger, to be held aloft in his iconic pose.
BLASTER supplied in parts for assembly includes lighting effects and moving parts.
SELF-SUPPORTING model, but an exclusive display stand featuring characteristic Transformers terrain is also available.
Click to leave your email and we’ll let you know as soon as the first pack is available to order


Moveable head with faceplate that moves in sync with his speech, and eyes that light up with 6 settings


Two versions of The Matrix of Leadership: one in his chest is removable, another to hold in his iconic pose


Ball-jointed wrist and multi-jointed fingers provide full articulation to grip, point and clench


Metallic red and blue ‘vehicle’ paint plus metal and silver parts to highlight the extraordinary details


Coloured lights in his feet and body all function with a full-beam/dipped beam feature in his shoulders


Self-assembly blaster and Energon axe, including lighting effects, can be held or stored

Optimus Prime height
Optimus Prime Matrix Exposed

Display Edition

Take Optimus Prime to the next level with this premium display base featuring the terrain as seen in many of his adventures together with an exclusive illuminated Cybertron design Transformers badge.
Upgrade to the ultimate museum-quality model

• Individually numbered
• Illuminated Transformers shield
• Iconic Transformers terrain styling
• Additional display lighting
• Diameter: 570 mm (22″)
• Height: 250 mm (10″)

Optimus display stand
Our flexible payment options allow you to choose whether you’d like to receive your model parts as soon possible or spread your payments over a longer period.

*** Pack 1 ships in December 2023 ***

Pack 1 only s$88
then s$179 per month

Buy Now

Pack 1 only s$88
then s$89.5 per month

Buy Now
Click to leave your email and we’ll let you know as soon as the first pack is available to order

In this section we will be showcasing design drawings, images and prototype pictures of our model as it develops.
Optimus model kit Kneel
Our Optimus Prime model is fully poseable

Prototype sample image

Optimus Prime Pack 1
Optimus Prime Pack 01 – Pre-production sample of components.

Pre-production sample image

Optimus Prime Paintwork
Optimus Prime paint samples – painted onto metal parts to get the glittery metallic-flake finish.

Prototype development image

Optimus Prime blaster
Work in progress drawings to show the blaster details. To be be assembled by customers. Includes some internal details under removable panels. Exit of barrel is illuminated in “engine blast orange” with a pulsing effect.

Prototype development image

Optimus Prime battle axe
Work in progress drawings to show the Energon axe details. Assembled by customers. Illuminated “engine blast orange” with a flickering effect.

Prototype development image

matrix of leadership
Work in progress drawings to show the hinged inner cover that lifts to reveal the internal removable matrix.

Prototype development image

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