BIRTHDAY PARTIES AT CAL STRONG

Professional gym equipment, expert supervision, and unforgettable fun. The perfect birthday party!

Book Your Party
🎉
NINJA PLUS
$399
Up to 10 kids
  • 1 hour gym time
  • 30 min party room
  • 1 party host
  • Tables & chairs
Book Now
⭐
NINJA GOLD
$499
Up to 15 kids
  • 1 hour gym time
  • 30 min party room
  • 2 party hosts
  • Tables & chairs
  • Priority booking
Book Now
🏆
NINJA EXTREME
$599
Up to 20 kids
  • 1 hour gym time
  • 30 min party room
  • 2 party hosts
  • Tables & chairs
  • Priority booking
  • Party perks
Book Now

Party Details

What we provide:

Gym equipment, hosts, tables, chairs, setup/cleanup

What you bring:

Food, cake, decorations, plates, napkins, cups

Duration:

1.5 hours total (1 hr gym + 30 min party room)

Ages:

Perfect for ages 2.5–14

Add-ons:

Extra time +$75, Extra host +$75, Bounce house +$100

Extra kids:

$20 per additional child

BOOK YOUR PARTY

Select your date and party package below. Dates fill fast—especially weekends!

Need help? Call us at (925) 826-5690

Atlas

ATLAS

Cal Strong Helper

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