How many pieces are in the Transformer and Speed Regulator?

Transformer and Speed Regulator contains 3 pieces.

What age is the Transformer and Speed Regulator recommended for?

This set is recommended for ages 18+.

When was the Transformer and Speed Regulator released?

Transformer and Speed Regulator was released in 1991.

Breaking News

What if Lloyd and Harumi had been childhood friends before Harumi’s parents died and before Lloyd became the Green Ninja specifically before Lloyd first met Nya and the original four ninja ?

r/ninjago • about 10 hours ago

LEGO March 2026 Sets Now Available on LEGO Shop

The Brick Fan • about 19 hours ago

"True Friends" by CUBETTARO (not from me) 🐶😺

r/legoideas • about 23 hours ago

🏛 9V

Set #4548

Transformer and Speed Regulator

Name: Transformer and Speed Regulator
Brand: LEGO
SKU: 4548-1

Discover the Transformer and Speed Regulator from the 9V collection - 3 pieces of building excellence.

⏱ < 30 min 🧩 3 pcs

Analyzing This Set...

BlockTalk, our AI is generating detailed insights for Transformer and Speed Regulator. Sections will appear as they're ready.

Our Take

Ask BlockTalk

Building Experience

Investment Potential

Similar Sets

📦 Full Parts Inventory - 3 unique parts • 3 total pieces

Hub / Controller,...

Part #: 2868b 1× Black

Wire with Brick 2...

Part #: 5306c01 1× Dark Gray

Electric Adapter ...

Part #: 70931 1× Black

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Searching for YouTube reviews...

This may take a moment

Included In These Sets

This set is packaged within the following gift sets and value packs

Inventory Statistics

Unique Parts

Total Pieces

Minifigures

Inventory Version: 2

Power Up Your LEGO Trains!
The 9V Transformer is here!

What if Lloyd and Harumi had been childhood friends before Harumi’s parents died and before Lloyd became the Green Ninja specifically before Lloyd first met Nya and the original four ninja ?

LEGO March 2026 Sets Now Available on LEGO Shop

"True Friends" by CUBETTARO (not from me) 🐶😺

Transformer and Speed Regulator

📦 Full Parts Inventory - 3 unique parts • 3 total pieces

🛒 Where to Buy

📰 9V News

What if Lloyd and Harumi had been childhood friends before Harumi’s...

LEGO March 2026 Sets Now Available on LEGO Shop

"True Friends" by CUBETTARO (not from me) 🐶😺