Rapidly attacking stacked Wind Charges can cause them to suddenly inflate and cause a major explosion.
Give yourself the following Repeating Command Block and place it down:
/give @p repeating_command_block{BlockEntityTag:{auto:1b,Command:"summon minecraft:wind_charge ~ ~1 ~"}} 1Rapidly attack the stacked Wind Charges.
Your video has the following errors:
Narrow space makes wind charges prone to collisions and premature explosions, leading to chain reactions.
The wind charge is not an expansion, but an optical illusion caused by movement due to the impact of an explosion.