NJ's BEST 100% PRIVATE Kid's Indoor Inflatable Jump Birthday Party Center NJ : Children jump on inflatables : Fairfield NJ: Kids Bounce Birthday Party NJ: NJ Class trips
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Jumpnasium Frequently Asked Questions - FAQ's

Why should I have a Bounce birthday party at JUMPnasium?
JUMPnasium is the BEST, FRIENDLIEST & CLEANEST indoor, climate-controlled PRIVATE children’s birthday party place in New Jersey! We feature 9 GIGANTIC brand new inflatables and Moon Bounces to jump on and kid friendly video games that your children are sure to love. We have the jump birthday party packages to meet all your needs. We handle every detail to insure that you, your guests and especially your child enjoy their birthday party!
Where are you located?
We are located at 204 Passaic Avenue, Fairfield, NJ 07004. Our Phone number is 973-808-1700.
When should I book my Jump birthday party?
As soon as possible! It is not uncommon for us to sell out 6 to 8 weeks in advance. The sooner you book your child's birthday party, the more likely you will get the date and time you want. You can book your party online at any time. (Click Here)
How do I reserve a birthday party at JUMPnasium?
It’s easy! Reservations can be made online for both PRIVATE birthday parties and Open Jumps or can call us at 973-808-1700 or by stopping in. We want to make your special day easy to book. We require a $100 non-refundable deposit when making reservations for parties. The balance of your birthday party will be due the day of your party. Weekends book up quickly.
How much advance notice do you need?
We recommend at least 30 -60 days notice to be sure you get your preferred time slot, however, we always do our best to accommodate last-minute party requests. We offer weekday birthday parties at a lower cost. Before booking, you are welcome to visit us during an Open Bounce to see everything JUMPnasium has to offer.
How do I know you received my e-reservation?
We will send you a confirmation via email immediately after booking your time slot.
What form of payment does JUMPnasium accept?
We accept cash, personal checks, Visa, Discover and Master Card as payment options.
What if I cancel?
Deposits are non-refundable. However, if you cancel at least 14 days prior to the event, we allow you to reschedule. We always do our best to accommodate special situations.
Can I bring in food or drinks?
JUMPnasium does not allow any outside food or beverages to be brought in to the facility with two exceptions, you may bring your own cake or cup cakes and if a child has a food allergy outside food may be brought in for that child only.
Click here to order your Cake or to place an order for extras from our ADD-ONS Menu
How many guests can I invite?
It will depend on which package you booked. The party child is always free. Our JUMBO JUMP allows up to 25 guests and the MINI JUMP 15 guests. (Remember, the party child is FREE!) The maximum number of children is 35.
Does JUMPnasium provide invitations?
Yes we do. We offer FREE full-color invitations as part of your 100% PRIVATE birthday party package. Please come and pick them up at any time or download them directly from our web site.
What happens if more children then the party allows come to the party?
Our party rooms hold up to 35 children. An additional fee is charged for each child over your party packages number of included guests. No more then 35 children are allowed.
When should I tell everyone to arrive?
Everyone, including the party family, should arrive no more than 10 minutes before the scheduled party time. JUMPnasium puts a premium on your kids safety and we need to collect waivers and review our safety rules with everyone before the party starts. Please do not arrive more then 10 minutes early because other parties are in progress.
Do I need to stay at the party?
The parents of the birthday party child must stay and the other parents are welcome to stay and enjoy the fun!
Are socks required to jump?
Yes. Socks are required for the guests’ safety in the arena while they are jumping and bouncing. We also have socks to purchase in case someone forgets their socks.
How should guests dress for the activities at JUMPnasium?
Our PRIVATE 13,000 square foot place is climate-controlled so you should be comfortable. However your private party will be an active event, so dress in casual and comfortable clothing, but remember to WEAR SOCKS! You'll be sliding, jumping, bouncing, and having a lot of fun, so dress accordingly. Please avoid short shorts because you will be sliding down slides.
Will JUMPnasium provide us with help during our party?
Absolutely! You will be assigned your own JUMPnasium PARTY COACH TEAM that will help with the check- in procedure, be available for any questions during the jump, help with your pizza and cake and will also help carry your presents out to your car!
Does JUMPnasium help with the set-up and clean-up of the party room?
Absolutely! We will set up the entire room and clean up after you leave. The JUMPnasium experience is designed to insure that YOU enjoy your special occasion along with your guests!
Are streamers or confetti permitted in the party rooms?
As part of our commitment to a full-service, stress-free party experience, JUMPnasium staff handles all clean-up. We want you and your guests to have a good time, but please do not bring piñatas, silly string, thumbtacks, streamers, or confetti. No outside characters are allowed.
Do you have Internet Wi-Fi available?
Yes, we have FREE Wi-Fi for your computer.
Do we rent inflatables?
We are strickly an indoor facility and do not rent our inflatables. They are permanently mounted to the floor and state inspected for your saftey. Why rent an inflatable and woory about the weather? Have you looked at how much a rental party in your backyard would be? Click here for an example.
What ages can play at JUMPnasium?
JUMPnasium caters to children and toddlers from 3 to 14, as long as they meet the state mandated height requirement of 34". NO child or adult is allowed without a signed waiver.
What are your safety rules?
Our Inflatables are designed to get kids jumping & bouncing in a safe environment while not sacrificing fun. The rules are simple. Do not go “against the tide” when navigating through the obstacle course or other rides. No gum, hard or soft candies allowed in either stadium. Absolutely no running, pushing or pulling. For the safety of your children, our safety rules are also displayed prominently in our lobby for your convenience and safety.
Does JUMPnasium provide supervision?
Our staff members oversee the play area to ensure that children are obeying the rules and jumping safely. We do require a parent or assigned guardian to be present unless it is during an organized program designed for you to leave your children with us.
Will we have the place to ourselves during our party and do you allow walk ins?
JUMPnasium is a PRIVATE 13,000 sq ft facility with 2 separate arenas. You will have access to your own PRIVATE party room after your jump time is over. We do NOT allow walk-ins while having PRIVATE parties. Walk-ins are welcome during designated Open Jumps (Please visit our home page to see our list of up coming Open Jumps). A manager may occasionally give a tour of the facility during a party but it is done very discreetly and no child on the tour is allowed on the inflatables.
How do I know your facility is clean?
We have strict guidelines for our employees to follow each and every night for cleaning before we close. There are hand sanitizers located in each party room, check-in area and each bathroom. We pride ourselves on maintaining a clean, germ-free facility. Every child's hands are sanitized on the way in and out of the arenas. We also have a professional cleaning company that cleans our facility each week.
Are the inflatables safe for babies?
NO. Children under 34" are FREE at Open Jumps when accompanied with a paying sibling. We have a 34" minimum height requirement on most of the inflatable bedded rides except for the Slippery Rock Slope which is 42". We also have Little Tykes cars, kids learning carpets, Inflatable T Ball, large bowling pins and more for the kids that are under 34"
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