Save Big on Camps and Parties!
Sale on all Remaining Summer Camps!
Looking for a fun way to end the Summer?...Check out one of our camps that your kids are sure to love!  We have several ways to save:

1) Register one kid for a full week of camp (half day or full day) and get a second registration 50% off! Discount can be applied to one child or split between two if registering with a friend. 

2) 10% daily rate.  Register for two or more days and get 10% off.

Preregistration is required for all camps, and discounts are for new registrations.  Please mention discount when registering.  Register online at .  

Camps are available half day (9 am -2 pm) or full day (9 am - 5 pm) and is appropriate for ages 4 to 12. Call JJS with any questions at 703-858-9901 or email
Looking for a Unique Party Place?

Our parties are unlike any other party in the area!  Why?  Because in addition to Moonbounces, we also let each birthday child pick 3 structured games for all their guests to enjoy.  Younger kids like Freeze Dance, Parachute Play, Red Light/Green Light, while older kids have a blast with Dodge Ball, Capture the Flag and Relay Races!  All in all, birthday kids have 50 games to choose from!  And the best part is that our Super Fun Coaches lead all the games and get everyone involved.  Want to include the parents as well?  Tug-of-War is one that can be enjoyed by all ages! 

Book now and Save!  
1) Looking for a party before Summer ends?  Book a August Date and save 20% off the base party price.  Discount available for weekday and weekend parties.  

2) Save $50 on any September party date if you book by August 28th.  

3) Looking for a future date?  Book by August 28th and get $25 off any date through the end of the year.

Please mention discount when booking party and discount only good for new party bookings.  Deposit is required to hold any date.   Call 703-858-9901 or email   

Open Gym Times - Week of August 8th     

Monday (8/8) - 12:00-1:30
Tuesday (8/9) - 12:00-1:30
Thursday(8/11)  - 12:00-1:30

$10 first child, $8 additional sibling.
Jumping Jack Sports | 703-858-9901 | |