LEGO 42233 Excavator 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 $9. Momentum is steady, as the set sells near retail while member interest cools.

Forecast Model

This shows the set's value since release and where our forecast expects it to go.
LEGO 42233-4 Excavator is a Technic Mighty Machines Series 1 set released in 2026. This construction vehicle belongs to a mystery box line that includes eight different machines. The lineup consists of a road roller, wheel loader, dump truck, cement truck, wrecking ball crane, mobile crane, bulldozer, and the excavator itself. Each model in this series has a moving function powered by LEGO Technic pieces.

By our estimate Excavator retires in 2027, and our forecast sees it worth around $7 five years out, after a retirement pop of about 12%.

For Sale (New/Sealed)

This chart shows the sales listing trends of 42233-4 Excavator.
(US) LEGO Technic Mighty Machines 44 Piece Set 42233 $4.99
(US) Official LEGO Excavator
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 #6 EXCAVATOR New NEAR MINT $6.19
+24.0%
(US) 42233 Technic Mighty Machines Series 1 - Excavator $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 Excavator 8 To Collect $7.25
+45.3%
(US) 42233 Mighty Machines $9.00
+80.4%
(US) 42233 Mighty Machines $9.00
+80.4%
(US) 42233 TECHNIC Mighty Machines Series 1 - Excavator $12.95
+159.5%

Market Momentum

Neutral
Member interest is cooling, yet the set still sells at or near its retail price. It leans level for now, as it remains in active LEGO production.
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:13% bearish·27% neutral·60% bullish
Why it's moving, signals and outlook

Compared with other Mighty Machines Series 1 sets

Next to the others, Excavator is one of the sets members have added most lately among the group's sets still at retail.

#2 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
42233-4 Excavator$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
42233-5 Wrecking Ball Crane$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

42233-5 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

42233-7 Mobile Crane

Year 2026
Availability Retail
42233-7 LEGO Technic Mighty Machines Series 1 Mobile Crane
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

Excavator Questions

Is LEGO 42233 Excavator retired?

No. Excavator has been on store shelves since August 2026 and is still available. LEGO has not announced a retirement date. Similar sets suggest it will retire around the end of 2027.

How much could LEGO 42233 Excavator be worth in a year?

Next year's forecast for Excavator is $5, close to where it is today. The short-term market reading is neutral. Demand, supply and price show no clear direction. 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©