Postcard: Sunny Fairground

At the Sunny Fairground, strike the same column 4 times in a row and chain 20+ from that strike. BONK the postcard.
How to find it, step by step
- Play SUNNY FAIRGROUND.
- Do the fair's feat: At the Sunny Fairground, strike the same column 4 times in a row and chain 20+ from that strike.
- A torn postcard drops on the farthest visible row. Only the AUTOMATIC strike collects it: be in its column when it reaches the line. If it escapes it is gone for this run.
- Read it in Fair Book > LORE. All six postcards open the Forgotten Fair.
Reward
A piece of the Forgotten Fair.

Tips
In-game hint
Stand still. Let the machine come to you.