What the stores say about reuse
Lightailing's FAQ answers the question directly: it does not recommend using a kit on a different set, because most kits are designed for one set, 'including the wire lengths, light positions, and installation route'. [1] That is advice about getting a finished look, not a ban. The parts still work; they just were not cut or counted for the new model.
How much carries over depends on how the kit is built. The Lightailing store describes its own-brand kits as pre-wired, with every LED pre-connected at fixed spacing and wire cut to length. [2] It describes Briksmax 2.0 kits as modular, with individual LEDs on detachable plugs and cables in several lengths that can be rearranged. [3] Modular kits give you more reusable pieces.
Reusable, maybe, or rebuy
The table sorts common parts by how likely they are to move to a new set. 'Maybe' parts work electrically but may be the wrong length or count.
| Part | Carries over? | Why |
|---|---|---|
| USB power cable | Yes, if the connector version matches | Generic 5V lead; V1 and V2 do not mix [4] |
| Battery box or AA pack | Yes | Not tied to a set; batteries never included [1] |
| Expansion boards | Yes | Sold separately as generic 4-port and 8-port V2 parts [5][6] |
| Modular dot and strip lights | Yes | Sold as generic V2 parts [7][8] |
| Connecting cables | Maybe | Lengths chosen for the old route [9] |
| Pre-wired light chains | Rarely | Fixed spacing between lights [2] |
| Remote, sound or touch modules | Maybe | Ask whether they work outside the original kit |
| Diffusers or set-specific films | No | Shaped for one model's markings [10] |
Removing the kit cleanly
Take the kit out in the reverse of the installation order and keep the original guide to hand, since it shows every route. Lightailing warns that wires and connectors can be delicate and that pulling, bending or pressure should be avoided. [1] Unplug each light at the board rather than pulling it through the build by its lead.
Bag and label parts as they come out: lights by lead length, cables by length, boards by port count, and note V1 or V2 on each bag. For brick marks, adhesive pads and what to check on the set afterwards, see our light-kit-brick-damage-removal guide.
Test everything on the bench before planning the new set. Lightailing says accidental installation damage may not be covered by the warranty, [1] so a parts audit that assumes a broken light still works will cost you a second order.
Worked example: a parts audit before ordering
Say you have removed a modular V2 kit and recovered 6 dot lights on 30cm leads, one 8-port board and a USB cable, and the new set needs 10 light points. Count the gap first: 4 more lights. At BriksMax's 30 October 2026 prices that is two 3-packs of 30cm dot lights at $10.99 each, $21.98, leaving 2 spares. [7] The 8-port board now has 10 lights to serve, so add a 4-port board for $10.99 and a cable between them. [5][6]
Then check versions. BriksMax's standalone USB Power Cable is V1 only and says it is not compatible with V2 parts. [4] If your recovered cable is V1 and the lights are V2, you need a V2 power lead. We did not find a standalone V2 USB cable among the parts listed on 30 October 2026, so ask support or compare against a set-specific kit for the new model.
Finally, price the alternative. If the new set has a set-specific kit, its layout and route are already planned. If the gap costs about as much as that kit, buy the kit and keep your recovered parts as spares or for a custom build.
- List recovered parts by type, lead length and V1 or V2.
- Count the new set's light points and cable runs.
- Check port count, including one spare port for linking boards.
- Price the gap in parts against a set-specific kit for the new set.
Questions before you decide
Can I use a LEGO light kit on a different set?
Lightailing does not recommend it, because most kits are designed for one set's wire lengths, light positions and installation route. Generic parts such as the USB cable, battery box, boards and modular lights can be reused.
Are V1 and V2 light kit parts compatible?
No. BriksMax's part listings say V1 and V2 connectors are not compatible. V1 plugs fit one way round, while V2 plugs are reversible.
How much do replacement light kit parts cost?
On 30 October 2026 BriksMax listed 30cm dot light 3-packs at $10.99, a 4-port V2 board at $10.99, an 8-port V2 board at $14.99 and a V1 USB Power Cable at $9.99.
Sources & verification
Product details and prices can change. Check the linked provider before buying.
- Lightailing frequently asked questions Accessed 30 Oct 2026
- Lightailing light kit for Lewis Hamilton Helmet 43022 (Lightailing line) Accessed 30 Oct 2026
- Lightailing store: Briksmax 2.0 light kit for Lewis Hamilton Helmet 43022 Accessed 30 Oct 2026
- BriksMax USB Power Cable (V1) Accessed 30 Oct 2026
- BriksMax 4-Port Expansion Board V2 Accessed 30 Oct 2026
- BriksMax 8-Port Expansion Board V2 (1x6 size) Accessed 30 Oct 2026
- BriksMax 30cm White Dot Lights V2 (3-Pack) Accessed 30 Oct 2026
- BriksMax Strip Lights V2 (3-Pack) Accessed 30 Oct 2026
- BriksMax Lightsaber LED Kit Bundle with Expansion Board, USB and Cables Accessed 30 Oct 2026
- BRKOX light kit for Cristiano Ronaldo Soccer Highlights 43012 Accessed 30 Oct 2026
Sources link directly to providers. Product buttons may use separately labeled affiliate links. Read our disclosure.