LEGO 71870
The Twin Titan Mechs

LEGO 71870 The Twin Titan Mechs box image
Set number
71870
Theme
Ninjago
Pieces
1,707 pcs
Year
2026
Used & parts
See price history & best time to buy

Prices may vary — please check each store. Links may include affiliate (advertising) links.

How many parts to go?
Can you build this from what you own?
Just pick the sets you own — see this set's completion rate and missing parts instantly.
① Tap the sets you own (pick a few)
② Or add by number (optional)

“The Twin Titan Mechs” is LEGO® “Ninjago” theme set number 71870. Released in 2026, it has 1,707 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 420 types

Color split (most first)
Black×439
Light Bluish Gray×255
Dark Bluish Gray×233
White×211
Pearl Gold×163
Dark Red×111
Dark Blue×75
Red×52
Dark Tan×40
Trans-Orange×17
Dark Azure×15
Yellow×12
Main parts (most used first)
61332 Technic Pin with Friction Ridges Lengthwise with No Center Slots
Black · ×30
73825 Bracket 1 x 1 - 1 x 2 Inverted
Light Bluish Gray · ×30
99207 Bracket 1 x 2 - 2 x 2 Inverted
Dark Bluish Gray · ×27
35480 Plate Special 1 x 2 Rounded with 2 Open Studs
Black · ×21
47455 Technic Rotation Joint Ball Loop with Two Perpendicular Pins with Friction
Dark Bluish Gray · ×20
35480 Plate Special 1 x 2 Rounded with 2 Open Studs
Dark Tan · ×18
89678 Technic Pin 1/2 with Friction
Red · ×18
35480 Plate Special 1 x 2 Rounded with 2 Open Studs
Light Bluish Gray · ×16
99207 Bracket 1 x 2 - 2 x 2 Inverted
White · ×16
99563 Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot]
Light Bluish Gray · ×16
2412b Tile Special 1 x 2 Grille with Bottom Groove
Pearl Gold · ×14
32803 Slope Curved 2 x 2 x 2/3 Inverted
Black · ×14
3710 Plate 1 x 4
Dark Bluish Gray · ×14
32062 Technic Axle 2 Notched
Red · ×13
53585 Technic Ball Joint with Through Axle Hole
Black · ×13
6636 Tile 1 x 6 with Groove
Black · ×13
18677 Plate Special 1 x 2 with Pin Hole Underneath
Black · ×12
47458 Wedge Curved 1 x 2 x 2/3 No Studs, Wing End
Pearl Gold · ×12
99207 Bracket 1 x 2 - 2 x 2 Inverted
Black · ×12
99563 Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot]
Pearl Gold · ×12
28192 Slope 45° 2 x 1 with 2/3 Inverted Cutout and no stud
Dark Red · ×11
98138 Tile Round 1 x 1
Trans-Clear · ×11
15068 Slope Curved 2 x 2 x 2/3
Light Bluish Gray · ×10
22385 Tile Special 2 x 3 Pentagonal
Light Bluish Gray · ×10

More “Ninjago” theme sets

Re:GO is an unofficial service and is not affiliated with the LEGO Group. LEGO® is a trademark of the LEGO Group. Data is based on Rebrickable and others.