Ninjas, assemble! Lego Ninjago combines martial arts agility with creative building fun.

1. Kai, Lloyd, Jay & Zane Ninja Headbands

Hand out red, green, blue, and black cloth ninja headbands with eye slit masks upon arrival so kids choose their elemental hero!

2. Ninja Master Dojo Obstacle Course

Set up balance beam boards, foam brick dodging zones, pool-noodle sword sparring, and stealth crawling tunnels.

3. Spinjitzu Elemental Cake & Ninja Star Cookies

Decorate a tier cake with floating Ninjago minifigures and serve star-shaped sugar cookies representing ninja shurikens.