The Big Backyard venue

Party details checked Sep 2026

Indoor Play

The Big Backyard

New Berlin, WI 4.2 (81 Google reviews)

At a glance

Starting price
From $115
Age range
Ages 0–8
Party size
Up to 24 children
Duration
2 hours
Private room
Available with some packages

Good to know

  • A non-refundable deposit is required: $50 for standard packages and $100 for private parties.

Birthday party packages

Party Packages

Petite Party

$115

Duration
2 hours
Included children
10 children included
Maximum children
Up to 10 children
  • ✓ Party host
  • ✓ Private party room
See all inclusions

Party for 10 or fewer children, available only during Open Play hours, with a private party room.

  • 2 hours of party room and playroom time with option to purchase more time
  • Dedicated party host for room set up and clean up
  • Electronic invitations
  • Guests may bring their own food and drinks
  • Guests may bring their own decorations
  • Plates, napkins and utensils
  • T-shirt for the birthday child
  • 15 minutes pre-party setup with help from the party host
  • Party-host cleanup at the end of the party
  • Private party room

Source: Official venue website. View package source

Standard Party

$165

Duration
2 hours
Included children
17 children included
Maximum children
Up to 17 children
  • ✓ Party host
  • ✓ Private party room
See all inclusions

Party for up to 17 children, available only during Open Play hours, with a private party room.

  • 2 hours of party room and playroom time with option to purchase more time
  • Dedicated party host for room set up and clean up
  • Electronic invitations
  • Guests may bring their own food and drinks
  • Guests may bring their own decorations
  • Plates, napkins and utensils
  • T-shirt for the birthday child
  • 15 minutes pre-party setup with help from the party host
  • Party-host cleanup at the end of the party
  • Private party room

Source: Official venue website. View package source

Grand Party

$215

Duration
2 hours
Included children
24 children included
Maximum children
Up to 24 children
  • ✓ Party host
  • ✓ Private party room
See all inclusions

Party for up to 24 children, available only during Open Play hours, with a private party room.

  • 2 hours of party room and playroom time with option to purchase more time
  • Dedicated party host for room set up and clean up
  • Electronic invitations
  • Guests may bring their own food and drinks
  • Guests may bring their own decorations
  • Plates, napkins and utensils
  • T-shirt for the birthday child
  • 15 minutes pre-party setup with help from the party host
  • Party-host cleanup at the end of the party
  • Private party room

Source: Official venue website. View package source

Private Party

$385

Duration
2 hours
  • ✓ Party host
See all inclusions

Private use of the entire facility for a large group, family party, or special event; unavailable during Open Play hours.

  • 2 hours of party room and playroom time with option to purchase more time
  • Dedicated party host for room set up and clean up
  • Electronic invitations
  • Guests may bring their own food and drinks
  • Guests may bring their own decorations
  • Plates, napkins and utensils
  • T-shirt for the birthday child
  • 15 minutes pre-party setup with help from the party host
  • Party-host cleanup at the end of the party
  • Use of the entire snack counter and picnic table area for decorations, food and drinks

Source: Official venue website. View package source

What parents should know

The Big Backyard is a large-format indoor play space in New Berlin built around active, open-ended play. Google lists it as an indoor playground and amusement center, with a 4.3-star rating from 619 ratings. Families describe a broad mix of equipment: a large climbing structure with slides, an inflatable/bounce area, rope-wall climbing, basketball, playhouses, Hot Wheels toys and tracks, and a substantial selection of pedal or ride-on vehicles. There are also smaller play structures and imaginative-play pieces intended for younger children. Socks are required, and several parents recommend grip socks for climbing and the bounce equipment.

The strongest fit appears to be toddlers through early elementary ages, particularly around ages four to seven, though some families report that both younger children and older siblings have found activities to enjoy. It is a practical rainy-day or cold-weather option for children who need room to move, and reviewers often call out its comparatively affordable admission. A snack and drink counter, seating tables, and restrooms are available. Food choices are described as limited, with snacks convenient but not always viewed as a highlight.

Birthday parties are clearly part of the venue’s offering. Positive party feedback mentions private after-hours events, sweet and attentive hosts, check-ins during the celebration, and assistance with setup and cleanup. Parents have also described planning as straightforward and the play area as engaging for a fifth birthday. However, party logistics deserve close confirmation before booking. Detailed reviews raise concerns about a standard party room feeling cramped for a group near the venue’s stated guest maximum, limited seating and food-table space, and party time ending abruptly at closing. Another reviewer reported a double-booked party room shortly before their child’s event. Confirm the exact room capacity, seating configuration, included birthday-child items, end time, cleanup expectations, and whether an extension is possible.

Cleanliness, maintenance, and supervision are mixed themes in the supplied reviews. Many families describe a clean, organized facility, friendly staff, and children having a great time, which aligns with the venue’s solid overall rating. At the same time, several recent reviewers reported dirty floors or bathrooms, worn or broken equipment, and concerns about repair needs. Crowded sessions can also bring larger children into areas used by toddlers; multiple parents wanted stronger enforcement of age-appropriate play and more active monitoring around the bounce house and toddler equipment. Families with very young children may be most comfortable visiting at a quieter time and supervising closely. For a party, a private after-hours option may offer a more controlled play environment than a busy public session.

Why it may work for birthdays

The venue offers established birthday parties, including private after-hours events, and reviews praise engaging play and helpful hosts. The score is moderated by recurring concerns about room capacity, end-of-party timing, booking reliability, cleanliness, and supervision during busy public sessions.

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