Water Rocket Challenge

Liftoff in 3, 2, 1… !

ESERO invites Luxembourg schools and families to take part in the free Water Rocket Challenge, open to children aged 8 to 19.

The challenge is to land a rocket, using water as propellant, as close as possible to a target 70 meters from the starting point.

By team of 2 to 4 personsWith the help of our educational guides, participants build their own water rocket, then launch it three times, modifying variables such as air pressure, water quantity and launch angle to get as close as possible to the 70-meter mark. Each team must be accompanied by a teacher or parent.

The launch of the water rocket will take place on Friday July 5, 2024 on the ISL soccer field in Luxembourg.

The teams will be divided into 2 categories:

  • Category 1 (8-12 years): 20 teams maximum, morning take-offs.
  • Category 2 ( 13 – 19 years): 20 teams maximum, afternoon take-offs.

Prizes will be awarded for first, second and third place in each age category. Prizes will also be awarded for items such as: Most Interesting Rocket, Best Team Uniform and Longest Time in the Air.

Practical guide

Download the Water Rocket Challenge practical guide to help you successfully complete the challenge. This comprehensive guide covers all aspects of building and understanding a water rocket.

Plan your day

Opening hours

Details Category 1 Category 2
Arrival 09:00 12:00
Launch 09:30 – 12:15 13:30 – 16:15
Announcing the winners 13:00 16:30

Important note

  • Teachers can enter several teams.
  • Rockets must be completed the day before launch
  • A tent with support equipment will be available to repair damaged rockets after launch.

Getting there


ISL Football Pitch, 36 Boulevard Pierre Dupong L-1430 Hollerich

Public transport or by car:

The soccer pitch is just a few minutes’ walk from the Luxembourg P+R Bouillon .

Catering and toilets

  • Food trucks and drinks will be set up near the soccer pitch. Lunch is provided by ESERO.
  • The toilets are located near the changing room next to the soccer pitch.


ESERO Luxembourg may take photos and videos at the event for promotional purposes.