Unleash the BASH!
Pull-back and watch it crash!

Build this high-speed LEGO Technic race car and see the engine pop out on impact. Combine with the WHACK! set for even more action!

LEGO BASH! set 42073 - 139 pieces, Technic theme, product photo Pin It
Breaking News

It started with one speed champion red bull.

r/legotechnic • about 4 hours ago

Lego technic asphalt btw m4 gt3 evo

r/legotechnic • about 5 hours ago

LEGO Technic Candy Sorting Machine | Speedbuild & Demo

r/legotechnic • about 8 hours ago
LEGO BASH! set 42073
🏛 Technic
Set #42073

BASH!

Discover the BASH! from the Technic collection - 139 pieces of building excellence.

⏱ 1-2 hr 🧩 139 pcs

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Similar Sets

📦 Full Parts Inventory - 46 unique parts • 122 total pieces

Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Technic Axle Pin ...
Part #: 11214 7× Dark Bluish Gray
Pullback Motor 6 x 3 x 5 Pullback Motor 6 ...
Part #: 12799 1× Dark Bluish Gray
Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes] Technic Beam 3 x ...
Part #: 14720 1× Light Bluish Gray
Technic Pin Connector Round 1L [Beam] Technic Pin Conne...
Part #: 18654 4× Dark Bluish Gray
Technic Panel Curved 7 x 3 with 2 Pin Holes through Panel Surface Technic Panel Cur...
Part #: 24119 1× Black
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 1× Red
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 1× Black
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 4× Black
Technic Axle and Pin Connector Angled #6 - 90° Technic Axle and ...
Part #: 32014 2× Red
Technic Axle and Pin Connector Angled #5 - 112.5° Technic Axle and ...
Part #: 32015 2× Light Bluish Gray
Technic Axle and Pin Connector Angled #3 - 157.5° Technic Axle and ...
Part #: 32016 4× Black
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 1× Red
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 7× Red
Technic Axle 5 Technic Axle 5
Part #: 32073 3× Light Bluish Gray
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 2× Black
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 1× Red
Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin Technic Beam 3 x ...
Part #: 32250 2× Dark Bluish Gray
Technic Beam 1 x 15 Thick Technic Beam 1 x ...
Part #: 32278 2× Light Bluish Gray
Technic Axle and Pin Connector Perpendicular Double Technic Axle and ...
Part #: 32291 4× Light Bluish Gray
Technic Beam 1 x 5 Thick Technic Beam 1 x ...
Part #: 32316 2× Red
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 2× Light Bluish Gray
Technic Beam 3 x 5 L-Shape Thick Technic Beam 3 x ...
Part #: 32526 4× Dark Bluish Gray
Sticker Sheet for Set 42073-1 Sticker Sheet for...
Part #: 36566 1× [No Color/Any Color]
Technic Brick 1 x 4 [3 Pin Holes] Technic Brick 1 x...
Part #: 3701 1× Black
Technic Axle 4 Technic Axle 4
Part #: 3705 1× Black
Technic Axle 8 Technic Axle 8
Part #: 3707 1× Red
Technic Axle 12 Technic Axle 12
Part #: 3708 2× Black
Plate 1 x 4 Plate 1 x 4
Part #: 3710 2× Red
Technic Bush Technic Bush
Part #: 3713 1× Light Bluish Gray
Technic Beam 1 x 2 Thin Technic Beam 1 x ...
Part #: 41677 2× Red
Technic Axle and Pin Connector Perpendicular Double Split Technic Axle and ...
Part #: 41678 2× Dark Bluish Gray
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes Technic Axle and ...
Part #: 42003 6× Dark Bluish Gray
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 2× Blue
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 2× Blue
Technic Axle 7 Technic Axle 7
Part #: 44294 1× Yellow
Technic Axle 3 Technic Axle 3
Part #: 4519 3× Yellow
Tyre 56 x 26 Balloon Tyre 56 x 26 Balloon
Part #: 55976 2× Black
Wheel 30.4 x 20 without Pinholes, with Reinforced Rim Wheel 30.4 x 20 w...
Part #: 56145 4× Black
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Technic Beam 1 x ...
Part #: 60483 2× Light Bluish Gray
Technic Beam 3 x 3 T-Shape Thick Technic Beam 3 x ...
Part #: 60484 1× Light Bluish Gray
Tyre 43.2 x 26 Balloon Small Tyre 43.2 x 26 Ba...
Part #: 61481 2× Black
Technic Panel Fairing # 4 Small Smooth Long, Side B Technic Panel Fai...
Part #: 64391 1× Red
Technic Panel Fairing # 3 Small Smooth Long, Side A Technic Panel Fai...
Part #: 64683 1× Red
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 2× Red
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Technic Pin Long ...
Part #: 6558 19× Blue
Wave / Flame Rounded Large with Marbled Trans-Yellow Pattern Wave / Flame Roun...
Part #: 85959pat0003 2× Trans-Red
Plate Special 3 x 4 with 1 x 4 Center Studs [Plain] Plate Special 3 x...
Part #: 88646 1× Black

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📰 Technic News

BASH! News (15)

March 2026
Mar 07 r/legotechnic

It started with one speed champion red bull.
Mar 07 r/legotechnic

Lego technic asphalt btw m4 gt3 evo
Mar 07 r/legotechnic

LEGO Technic Candy Sorting Machine | Speedbuild & Demo
Mar 07 r/legotechnic

Lego Chassis set from the 80’s set 8860
Mar 07 r/legotechnic

Old man
Mar 07 r/legotechnic

30736 Seaplane, Awesome set
Mar 07 r/legotechnic

Team Nz 42174
Mar 06 r/legotechnic

Lego Air tech Claw Rig set 8868-1
View all news
Notable Parts
Build Ideas

Related Articles

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 6 videos
3.0 /5
Mixed
0% positive
BlockTalk AI

The LEGO Technic BASH! (42073) set receives mixed reviews, with most videos providing neutral coverage focusing on unboxing, building, and demonstrating the set's features. The set is often reviewed alongside its counterpart, WHACK! (42072), with emphasis on the pull-back motor and crash feature.

LEGO® Technic 42072 ZACK! - 42073 BUMMS!

Held der Steine Inh. Thomas Panke • 102.2K views Review

MỞ HỘP ĐỒ CHƠI BASH 42072 và WHACK 42073 CÙNG BEN & MINH XÙ | REVIEW LEGO TECHNIC

MYKINGDOM • 33.7K views Review

LEGO WHACK! Crash Test, Build, & Review Technic Set 42072

Bricksie • 14.6K views Review
Community insights from Reddit discussions and YouTube reviews. Content may not reflect official LEGO positions.

Community Sentiment

Based on 6 YouTube reviews

Reddit

Not enough Reddit data

YouTube

3.0 /5
Mixed
0% positive
0
Positive
6
Mixed
0
Critical
BlockTalk AI Analysis

The LEGO Technic BASH! (42073) set receives mixed reviews, with most videos providing neutral coverage focusing on unboxing, building, and demonstrating the set's features. The set is often reviewed alongside its counterpart, WHACK! (42072), with emphasis on the pull-back motor and crash feature.

Sentiment analysis based on community discussions. Scores reflect overall opinion trends.

What the Community Says

5 YouTube reviews
BlockTalk AI Summary

Held der Steine offers a standard review, cataloging the parts and set details. MYKINGDOM showcases an unboxing geared towards a younger audience, while Bricksie focuses on the crash test and play features of the related WHACK! set.

Reddit Reviews

No Reddit reviews found

YouTube Reviews

5 videos

LEGO® Technic 42072 ZACK! - 42073 BUMMS!

Held der Steine Inh. Thomas Panke
102.2K views Review

MỞ HỘP ĐỒ CHƠI BASH 42072 và WHACK 42073 CÙNG BEN & MINH XÙ | REVIEW LEGO TECHNIC

MYKINGDOM
33.7K views Review

LEGO WHACK! Crash Test, Build, & Review Technic Set 42072

Bricksie
14.6K views Review

[JiSi]Decool Tech Bricks Thunder Wack 3422, not Lego technic 42073

Erbrick
1.6K views Review
Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Charts Inventory Statistics

46
Unique Parts
122
Total Pieces
0
Minifigures
Inventory Version: 1

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