Contact us


International participants

Participation in the MILSET Expo-Sciences International 2023 is a fantastic opportunity for showcasing projects created by more than 2000 participants, coming from more than 65 countries around the world. The participation age range is from 9 to 25 years old.

Be part of this amazing experience and surprise the world!

How to participate?

The projects showcased at ESI 2023 are selected by MILSET Member Organisations.

If you are: A MILSET member

You will receive an email from with your invitation and password to register your delegation on ESI 2023 registration system. In case you did not receive it, please recover it on the page or send an email to

Non-MILSET member

Please send your request to and the corresponding MILSET Regional Office email. Do not forget to add the name of your organisation, country, contact name and email address:

MILSET Europe:
MILSET Vostok:
MILSET Africa:

The corresponding office will analyse your request. If the Regional Office authorises your participation, you will receive a welcome letter with your access code to register on ESI 2023 registration system.

Individual Projects

In case you have a project and are interested in participating in ESI 2023, please follow the next steps:

1- Contact a MILSET member organisation from your country, through this link

2- Ask if you can be part of its delegation and follow the process that the organisation indicates.

Note: It is not mandatory that organisations accept the request. The participation of individual projects (not representing any organisation) is not allowed.

MILSET Registration System

Don’t miss the chance to register from February 1st to July 31st, 2023


Non-MILSET member

525 €/ EUR


625 €/ EUR

Supervisors and Heads of Delegations

725 €/ EUR

Visitors, Guest, and VIP

MILSET member

425 €/ EUR


525 €/ EUR

Supervisors, Heads of Delegations and MILSET Authorities

725 €/ EUR

Visitors, Guest, and VIP

Note: Participation Fees Covers: 6 nights at hotels, 3 meals per day, city tour, excursion, participant kit and local transportation (venue, hotels).


The procedure to obtain the visa depends on the country of the request.

Here you will find if your country needs a visa to ingress Mexican territory. For those who are required to obtain a Visa: Link comming soon

**** Remarks: Participants are fully responsible for securing their visa on time and for providing all required documents to obtain it. The organisers will not be responsible if a participant does not receive his visa in time to travel. A copy of your visa must be uploaded to the registration system by August, 2023.

Preliminary Programme

  • Saturday, October 21, 2023
    All day Arrivals at Benito Juarez International Airport (MEX)
    All participants should arrive at Mexico City
    airport where the Host committee will guide them to the bus station to buy their tickets.
  • Sunday, October 22, 2023
    Registration & set up
    Leaders' Information Meeting
    Conferences & Workshops
  • Monday, October 23, 2023
    Opening ceremony
    Conferences & Workshops
    Special Activity
  • Tuesday, October 24, 2023
    Leader Congress
    Conferences & Workshops
  • Wednesday, October 25, 2023
    Conferences & Workshops
  • Thursday, October 26, 2023
    Cultural Event
    Closing Ceremony
  • Friday, October 27, 2023
    All participants should take into account the transit time (2 hours and 30 minutes)
    from Puebla Bus Station to Mexico City International Airport before their scheduled flight.

School visits