Lantern Build Night
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Lantern Labs presents

Lantern
Build Night

A build night for anyone who builds things, whatever their level. One night, 20 hours of building, and a makerspace that never turns the lights off.

  • Saturday 21 to Sunday 22 November 2026
  • Doors open 9:00 AM Saturday
  • Koramangala Makerspace, Bengaluru
Register free See the night

Registration closes 18 November 2026 at 11:59 PM IST.

  • 20 hoursof building, 11 AM to 7 AM
  • ₹75,000in prizes, swag for every demo
  • 2 to 4per team, or come solo
  • Freeto register, meals included

The idea

A night to build the thing you keep putting off.

Lantern Build Night is run by Lantern Labs, a volunteer-run builder community in Bengaluru. Anyone who builds things is welcome, whatever their level.

Form a team of 2 to 4 people, or come solo: team formation happens at 10:30 AM on Saturday. Hacking starts at 11:00 AM and submissions close at 7:00 AM on Sunday.

Projects must be started at the event; you may use open-source libraries. Judging starts at 8:00 AM on Sunday: each team gets 4 minutes to demo and 2 minutes of questions. Every team that demos gets swag.

Who can join

Anyone 18 or older can join, students and working developers alike. You do not need to know how to code to join a team; designers and product people are welcome.

Schedule

From doors to dawn

Saturday 21 to Sunday 22 November 2026. Doors open 9:00 AM Saturday.

Saturday 21 November

  1. Doors open and check-in
  2. Breakfast
  3. Opening talk
  4. Team formation
  5. Hacking starts
  6. Lunch
  7. Mentor office hours
  8. Dinner

Sunday 22 November

  1. Midnight snack
  2. Submissions close
  3. Breakfast, then judging
  4. Winners announced and closing

Prizes

₹75,000 for the best things built overnight

Judging starts at 8:00 AM on Sunday: 4 minutes to demo, 2 minutes of questions. Every team that demos gets swag.

  1. 1₹40,000First place
  2. 2₹25,000Second place
  3. 3₹10,000Third place

Venue

Koramangala Makerspace

3rd floor, 80 Feet Road, Koramangala, Bengaluru

Koramangala Makerspace
  • The entrance is next to the blue bakery.
  • The nearest metro is the Pink Line Koramangala station, a 10 minute walk.
  • Buses 201 and 500D stop outside.
  • There is a quiet room on the 4th floor for naps, with lights low all night.

Code of conduct

House rules

Short, and they apply to everyone, online and at the venue.

  • 01Be kind and respectful. Harassment of any kind is not tolerated, online or at the venue. Organizers may remove anyone who breaks the code of conduct, without a refund.
  • 02To report a problem, tell any organizer wearing an orange Lantern Labs badge, or email safety@lanternlabs.example. Reports are handled privately.
  • 03Projects must be started at the event; you may use open-source libraries.
  • 04Bring a government photo ID that matches your registration name.

FAQ

Questions, answered

Email the organizers or post in the community group. Organizers usually reply within a day. hello@lanternlabs.example

Who can join?

Anyone 18 or older can join, students and working developers alike. You do not need to know how to code to join a team; designers and product people are welcome.

What does it cost, and when does registration close?

Registration is free and closes on 18 November 2026 at 11:59 PM IST. You must bring a government photo ID that matches your registration name.

How do teams work?

Teams have 2 to 4 people. You can come solo; team formation happens at 10:30 AM on Saturday.

What food is there?

Breakfast is served at 9:30 AM, lunch at 1:30 PM and dinner at 8:30 PM on Saturday, and a midnight snack at 12:30 AM. Sunday breakfast is at 8:00 AM. All meals are vegetarian, with vegan and Jain options on request at registration.

What should I bring?

Bring your laptop, charger, a government photo ID, and a refillable water bottle. Sleeping bags are allowed in the quiet room.

What are the prizes?

First place wins ₹40,000, second place ₹25,000, third place ₹10,000. Every team that demos gets swag.

How does judging work?

Judging starts at 8:00 AM on Sunday. Each team gets 4 minutes to demo and 2 minutes of questions. Projects must be started at the event; you may use open-source libraries.

Can I bring my dog?

Pets are not allowed inside the venue. Service animals are welcome.

Will there be photos?

Photos are taken at events. If you do not want to be photographed, pick up a red lanyard at the registration desk.

See you at Build Night

Saturday 21 to Sunday 22 November 2026, Koramangala Makerspace. Registration is free.

Register free