Water Rocket Challenge
Liftoff in 3, 2, 1… !
Take part in the Water Rocket Challenge with ESERO Luxembourg!
ESERO is inviting Luxembourg schools and families to take part in the Water Rocket Challenge, a free educational challenge open to children aged 8 to 19.
The objective? Land a water-propelled rocket as close as possible to a target 70 metres from the launch point.
In teams of 2 to 4 people, participants will build their own water rocket with the help of educational guides before launching it three times, adjusting various parameters such as air pressure, water quantity or launch angle. Accompaniment by a teacher or parent is required.
Launch date and location:
🗓 Friday, June 26, 2026
📍 International School of Luxembourg Football Field
The teams will be divided into 2 launch sessions:
- Session 1: 09:00 – 12:30(max. 20 teams)
- Session 2: 1:30 pm – 5:00 pm(max. 20 teams)
Prizes will be awarded to the best teams!
Prizes will be awarded to the top three teams in each category, as well as for special awards such as the most original rocket and the best team uniform.
⚠️ Places are limited! Register early to guarantee your participation.
Get ready for a fun-filled scientific adventure!
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.
Registration are opened
Plan your day
Opening hours
| Details | Session 1 | Session 2 |
| Arrival | 09:00 | 13:30 |
| Start | 09:30 – 12:15 | 14:00 – 16:45 |
| Prize-giving ceremony | 12:30 | 17:00 |
Important note
- Teachers can enter several teams.
- Rockets must be completed no later than the day before launch
- A tent with support equipment will be available to repair damaged rockets after launch.
Getting there
Address:
International School of Luxembourg Football Field
36 Bd Pierre Dupong, 1430 Hollerich Luxembourg
Catering and toilets
- A free food truck with ice creams, drinks and snacks will be set up next to the soccer pitch.
- Toilets are available next to the soccer pitch.
Photography
ESERO Luxembourg may take photos and videos at the event for promotional purposes.
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