Warm up young players through a reaction game: start, stop, freeze and turn on the coach's colour calls.
Spread the children out in a grid. Call colours: green means jog or run, red means freeze on the spot, yellow means spin around and go the other way. Mix the calls up and keep the energy high. Add fun ones the group likes, purple for hop, blue for skip. A brilliant, safe way to warm little ones up and get them listening and reacting from the first minute. No ball needed.
Fork it into your private drills, then change the animation, adjust positions, swap equipment, or drop it into a session block.