LEGO 42233 Mobile Crane is a Technic set currently available at retail for $4.99 and is projected to retire at the end of 2027. Current new-sealed secondary market prices range from $6 to $7. Lately, the market leans up as it sells at or near retail, despite cooling member interest.

Forecast Model

This shows the set's value since release and where our forecast expects it to go.
LEGO 42233-7 Mobile Crane is a Technic Mighty Machines Series 1 set released in 2026. It comes from a mystery box that contains one of eight construction site vehicles, which also include a road roller, wheel loader, dump truck, cement truck, wrecking ball crane, bulldozer and an excavator. The build includes a moving function powered by LEGO Technic pieces.

LEGO is expected to retire Mobile Crane in 2027, and our forecast has it near $7 five years from now.

For Sale (New/Sealed)

This chart shows the sales listing trends of 42233-7 Mobile Crane.
(US) LEGO Technic Mighty Machines 44 Piece Set 42233 $4.99
(US) Official LEGO Mobile Crane
BrickEconomy Choice
$4.99
(US) LEGO Mighty Machines Sealed 42233 Blind Box Construction Series 1 BRAND NEW $5.00
+0.2%
(US) 2026 LEGO 42233 Technic Mighty Machines Series 1 #7 MOBILE CRANE New NEAR MINT $5.79
+16.0%
(US) 42233 Technic Mighty Machines Series 1 - Mobile Crane $6.99
+40.1%
(US) TECHNIC Mighty Machines 42233 LEGO Blind Box Construction Series 1 $7.00
+40.3%
(US) 42233: Technic Mighty Machines/ Series 1 Mobile Crane 8 To Collect $7.25
+45.3%
(US) Technic 42233 Mighty Machines - Mobile Crane $7.40
+48.3%
(US) 42233 Mighty Machines $9.00
+80.4%
(US) 42233 TECHNIC Mighty Machines Series 1 - Mobile Crane $10.95
+119.4%

Market Momentum

Bullish
This set is selling close to retail, but member demand is cooling.
DemandBottom 25% in Technic
High demand but falling
12 months agoToday
Price vs retailLast 21 days
45% above retail
Lowest new price at eBay
Outlook:5% bearish·35% neutral·60% bullish
Why it's moving, signals and outlook

Compared with other Mighty Machines Series 1 sets

#4 of 11 still at retail
Members adding it, past 4 months
This set
Typical
Close to the rate of the group's sets still at retail.
Mighty Machines Series 1 sets still at retail by priceRetail
42233-10 Mighty Machines Sealed Box$79.84
42233-9 Mighty Machines Complete Set$39.92
42233-7 Mobile Crane$4.99
42233-0 Mighty Machines Random Pack$4.99
42233 Road Roller$4.99
42233-2 Dump Truck$4.99
42233-3 Bulldozer$4.99
42233-4 Excavator$4.99

Sets in Technic / Mighty Machines Series 1

42233-0 Mighty Machines Random Pack

Year 2026
Pieces 44
Availability Retail
42233-0 LEGO Technic Mighty Machines Series 1 Mighty Machines Random Pack
Retail $4.99
Available at retail

42233-10 Mighty Machines Sealed Box

Year 2026
Availability Retail
42233-10 LEGO Technic Mighty Machines Series 1 Mighty Machines Sealed Box
Retail $79.84
Available at retail

42233-9 Mighty Machines Complete Set

Year 2026
Availability Retail
42233-9 LEGO Technic Mighty Machines Series 1 Mighty Machines Complete Set
Retail $39.92
Available at retail

42233 Road Roller

Year 2026
Availability Retail
42233 LEGO Technic Mighty Machines Series 1 Road Roller
Retail $4.99
Available at retail

42233-2 Dump Truck

Year 2026
Availability Retail
42233-2 LEGO Technic Mighty Machines Series 1 Dump Truck
Retail $4.99
Available at retail

42233-3 Bulldozer

Year 2026
Availability Retail
42233-3 LEGO Technic Mighty Machines Series 1 Bulldozer
Retail $4.99
Available at retail

42233-4 Excavator

Year 2026
Availability Retail
42233-4 LEGO Technic Mighty Machines Series 1 Excavator
Retail $4.99
Available at retail

42233-5 Wrecking Ball Crane

Year 2026
Availability Retail
42233-5 LEGO Technic Mighty Machines Series 1 Wrecking Ball Crane
Retail $4.99
Available at retail

42233-6 Cement Truck

Year 2026
Availability Retail
42233-6 LEGO Technic Mighty Machines Series 1 Cement Truck
Retail $4.99
Available at retail

42233-8 Wheel Loader

Year 2026
Availability Retail
42233-8 LEGO Technic Mighty Machines Series 1 Wheel Loader
Retail $4.99
Available at retail

Mobile Crane Questions

When will LEGO 42233 Mobile Crane retire?

Mobile Crane has been on store shelves since August 2026 and is still available. No retirement date has been announced yet. Based on how long similar sets stay on store shelves, it is expected to retire at the end of 2027.

How much could LEGO 42233 Mobile Crane be worth in a year?

BrickEconomy's forecast puts Mobile Crane near $5 in twelve months, close to where it is today. In the short term the market reads bullish. Demand, supply and price signals are leaning upward. This is an estimate and markets can change.

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Inspire building site adventures as kids open the mystery box to reveal the LEGO Technic Mighty Machines (42233) construction toy. These surprise sets make a fun everyday gift idea for boys and girls ages 7 and up, with a vehicle to build, collect and display.
Each mystery box contains 1 toy with 8 different construction site vehicles to collect, including a road roller, wheel loader, dump truck, cement truck, wrecking ball crane, mobile crane, bulldozer and an excavator. These sets give kids a great introduction to STEM building toys and engineering as each one includes a moving function powered by LEGO Technic pieces.
Inside the box, kids will find a collectible playing card with stats about the model on one side and a road graphic on the other. Kids can use the cards to assemble the road as they collect sets or play and trade cards with friends. These surprise toys for kids make a cool treat for boys and girls who enjoy construction site pretend play.

COLLECTIBLE VEHICLE...
Description provided by LEGO©