For Theatre Science Show(s):

• Participants are required to register online. Seats are limited.
• Seats are allocated on a first-come, first-served basis.
• During the online registration process, participants must select their preferred time slot(s).
• Successful applicants will receive a QR code, which must be presented for admission. Participants should arrive 20 minutes before the scheduled start time to secure their seats; otherwise, seats may be released to walk-in guests.
• Each participant who has successfully registered online for the Theatre Science Shows may redeem one complimentary museum ticket (valid on the same day only) by presenting the QR Code at the redemption counter on the event day. The redemption counter is located at the Lecture Hall Foyer, 1/F, Hong Kong Science Museum. This ticket entitles the participant to enter the Hong Kong Science Museum’s exhibition hall and to visit the Hands-on Science Booth(s). In case of disputes, the Organiser reserves the right of final decision.
• A limited number of walk-in spots may be available.

For Hands-On Science Booths and Demonstrations:

• No prior registration is required for the hands-on science booths and demonstrations, which are held within the paid area of the Hong Kong Science Museum’s exhibition hall, except for the “Extreme Weather Explorer” booth. A valid admission ticket will be required for entry.
• Participation is subject to capacity and will be arranged on a first-come, first-served basis.
• According to the Hong Kong Science Museum’s website, adults must possess a valid admission ticket to enter the exhibition hall. Admission to the permanent exhibition of the Museum is free for full-time students carrying valid identification and children under 4 years old when accompanied by an adult with a valid ticket. Please click here for details and the latest updates.

For the "Extreme Weather Explorer" booth:

• Participants are required to register on-site for the "Extreme Weather Explorer" booth. Places are limited.
• Participation is limited to one session per child–parent pair. Each child may register for one session only.
• This activity is designed for children aged 5–11 years, accompanied by one parent.
• From 10:00am onwards, participants may register for a session scheduled up to 3 hours later (i.e. participants registering on-site at 12:00nn may register for any available session between 12:00nn to 3:00pm).
• Participation is subject to capacity and will be arranged on a first-come, first-served basis.
• A limited number of walk-in spots may be available.
• Please arrive 10 minutes before your scheduled session to complete sign-in procedures. Your reservation may be forfeited if you arrive after the session has started.
• Since the activity is located within the paid area of the Hong Kong Science Museum's exhibition hall, a valid admission ticket is required for entry.
• According to the Hong Kong Science Museum's website, adults must possess a valid admission ticket to enter the exhibition hall. Admission to the permanent exhibition of the Museum is free for full-time students carrying a valid identification and children under 4 years old when accompanied by an adult with a valid ticket. Please click here for details and the latest updates from the Museum.

• Theatre Science Shows: Free admission, registered participants must present a valid QR code for entry. A limited number of walk-in spots may be available.
• Hands-On Science Booths and Demonstrations: (i) Free participation for museum visitors, full-time students and valid Museum Pass holders; or (ii) Each participant who has successfully registered online for the Theatre Science Shows may redeem one complimentary museum ticket (valid on the same day only) by presenting the QR Code at the redemption counter on the event day. The redemption counter is located at the Lecture Hall Foyer, 1/F, Hong Kong Science Museum. This ticket entitles the participant to enter the Hong Kong Science Museum’s exhibition hall and to visit the Hands-on Science Booth(s).
• In case of disputes, the Organiser reserves the right of final decision.

20 June 2026 and 21 June 2026 (Saturday and Sunday): 10:00 AM to 6:00 PM

Please refer to the programme timetable here for further details.

The event is suitable for families with children aged 5-11. For educational and safety reasons, recommended age ranges apply to specific activities. Please refer to the programme page for details. Parents are encouraged to consider these recommendations to ensure the best experience for all participants.

No, children must always be accompanied by a parent or guardian during all activities.

Each adult can register one child for the booth "Extreme Weather Explorer" and up to three children or participants for the Theatre Science Shows.

In the case of inclement weather, please refer to the official announcement by the Hong Kong Science Museum regarding inclement weather arrangements. Updates will be provided here.

Enquiries: enquiry@jccoolscience.org or 9257-0748