Four Interest Igniters - Bundle 2

This bundle contains a mix of FOUR Interest Igniter class challenges and steps to implement:
Speed Line - the class has to form a line in a specified order before the clock runs out!
Maze Madness - the class tries to navigate through a "maze" filled with wrong turns!
24 Card Game Buzzer Beater - can anyone solve the 24 card before time runs out?
Priority Chain -  kids analyze each other's work and then strategically place one paper in the priority chain