Indoor play
Spilly
About Spilly
Spilly is an immersive role-play "mini-city" for kids, spread across 700 m² on the ground floor of City Concorde in Bertrange. Kids step into the shoes of a firefighter, doctor, pilot, baker or restaurateur; there's also a fashion-week corner, a bank, a construction site, a child-sized airplane and a separate Babys Corner for under-2s. The birthday format is two hours of play plus an hour in a private birthday room, with a minimum of eight kids.
Beyond the party, Spilly books everything through its own online calendar, so the way you celebrate is flexible. Smaller groups can come for a 60, 90 or 120-minute drop-in play session, there's a rotating Letz Craft workshop for ages four and up, and one-off family events like a kids' disco turn up on the events calendar. Every option shows live slots and a per-child price before you commit.
Best for
- Kids who love role-playing grown-up jobs for an afternoon.
- Birthdays that span the 0–11 range, with the Babys Corner keeping younger siblings occupied.
- Families who want to choose between a full party, a drop-in play session or a craft workshop.
Good to know
- Minimum eight kids for the Letz Party rate; smaller groups book general-entry play instead.
- Five parent admissions are bundled into the party, and at least two adults must stay throughout.
- Non-slip socks are mandatory for every child and adult; no outside food or drink beyond the package.
- Letz Craft workshops and one-off events run on set dates through the events calendar, so check what's on before planning around them.
- Weekend slots in peak season book four to six weeks ahead.
Packages
Letz Party
120 min · 8+ kids
€30 per child
Included
- 2 hours of play in the mini-city
- Private birthday room reserved for 60 min
- A birthday cake
- 2 jugs of fruit squash
- One goodie bag per child
- 5 parent admissions (2 mandatory adults)
Parents bring: Non-slip socks for every guest and accompanying adult, Anything beyond the included cake and squash (no outside food or drink permitted otherwise)
The dedicated birthday formula. Booked through the Odoo appointment calendar (appointment/35) with live date and time slots and a per-child price shown before payment; the calendar charges EUR 29.50/child on weekdays and weekends alike. The booking flow and the appointment listing both state a 60-min private room; the homepage pricelist instead says 120 min. Modelled as 60 min pending confirmation.
Letz Craft - Kids Workshop
60 min
€20 per child
Included
- One 60-min supervised creative workshop
- A take-home craft on a rotating seasonal theme
Parents bring: Non-slip socks
For children from 4 years old, EUR 20.00/child. Runs as scheduled themed sessions through the Odoo events calendar rather than the appointment calendar, so dates are fixed and the theme changes through the year (Mother's Day tote bag at the time of research, with sessions on Thu/Sat/Sun). Booked per child, so it can be taken as a small-group activity rather than a full party.
Letz Play - Open Play (drop-in)
60 min
€13 per child
Included
- Timed play in the mini-city (60, 90 or 120 min)
Parents bring: Non-slip socks for every child and adult
Drop-in entry, booked online by the session: 60 min EUR 12.50, 90 min EUR 17.50, 120 min EUR 20.00 per child (base price here is the 60-min rate). At least one adult per booking at EUR 5.00; babies up to 9 months free and 10-23 months EUR 5.00. This is the route for groups under the eight-child Letz Party minimum.
Location
80 Route de Longwy, City Concorde Lifestyle Center
L-8060 Bertrange, LU