Parties at Genius Gems Millburn, NJ

Celebrate your birthday at Genius Gems Millburn, for your best birthday yet!

Our talented team will lead you and your guests in a 1.5 hour celebration that features the best that Genius Gems has to offer. Parties are for ages 5/6 and older only. In order to ensure a limited number of people, all parties are DROP OFF, except for the birthday host parents and a handful of adults. If you would like more than 8 additional adults to stay, you will be asked to book the premier plus package.  

Premier Package ($550)

Guests

  • Genius Gems Parties are for ages 5/6 and older. Only Premier Plus parties may be able to accomodate parties for children aged 4.
  • Up to 16 kids and 8 adults included in the package.
  • If there are more than 16 kids attending, you will be charged $40 per child for any additional kids on the day of the party, up to 20 kids. 
  • 20 kids and 8 adults maximum for the premier package.
  • Any parties with more than 8 adults will be asked to book the premier plus package.

Space and Activities

  • 1 premium project per child
  • Staff members to help guide and supervise the party and all activities
  • Mgnetic tile building and challenges
  • The entirety of our party room will be reserved privately for your 1.5 hour party.

Food and Beverages

  • Pizza and juice are included for kids only and provided by Genius Gems. 
  • No outside food is permitted except for a cake or cupcakes provided by the host family.
  • For parties booked after June 15, 2023, ice cream treats will no longer be included in the package, but will be available for an additional charge if desired. 
  • Extra pizza can be requested for an additional cost

Premier Plus Package ($1,399)

  • The cost is $1,399 and includes everything in the Premier Package, plus the ability to have the entire Genius Gems (indoors and outdoors) for just your guests. Please note, all food in the package is included for kids only.
  • This package include up to 20 kids. Additional kids can be added for a cost of $40 per additional child for up to 35 kids with prior approval (Premier Plus only).
  • Premier Plus parties may be able to accomodate parties for children aged 4
  • Drop off only is still preferred for Premier Plus packages, but if you plan to have more than 8 parents stay, you will be asked to choose this package. 
  • No outside food is permitted except for cake or cupcakes provided by the host family
  • There may be a clean up charge for families that bring additional food. Thank you for respecting our policy.

Once you book a party, your receipt is confirmation that your party has been booked. You will receive an email the Monday before your party to confirm the project and the number of guests.

Please contact us at information@geniusgems.com if you have any questions about any of our party packages, or if you would like to be added to the waitlist for a weekend that is booked. We receive many inquiries each day. Please kindly allow us 72 hours to reply before politely following up. Thank you and we look forward to celebrating with you! 

Additional Options

Premium Projects

LED Shaped Project (best for ages 6-8)

Guests are guided in creating an LED circuit using an LED light and a battery pack, inserting it into a laser-cut shape they decorate. The shape is pre-selected by the host family.

Light Up Wand (best for ages 7-9)

Guests are guided in creating an LED circuit using an LED light and a battery pack, inserting it into the end of a wand they decorate.

LED Flashlight (best for ages 6-8)

Guests are guided in creating an LED circuit using an LED light and a battery pack, inserting it into a housing they decorate.

Slime (best for ages 6-12)

Guests are guided in using our clear base slime, glitter, colorant, and other add-ins to create their own slime. Depending on availability, there is an option of choosing glow-in-the-dark or color-changing powder to slime for an additional cost.

Glitter Tile (bet for ages 6-9)

Guests are guided in choosing and arranging charms, gems, letters, and glitter to decorate their own Glitter Tile, which can be used on any brand of magnetic tile.

Motorized Fan (best for ages 9-12)

Guests are guided in wiring a motor circuit with a battery pack and motorized fan, inserting it into a housing they decorate

Spin Art Machine (best for ages 9-12)

Guests are guided in wiring a motor circuit with a battery pack and a motor that connects to our specially made, 3D printed parts. They then use paper and markers with their project to make custom spin art.