Spooky Riddles なぞなぞ ( PAID 有料¥80 )
There are 11 riddles and 24 PowerPoint slides in total.
My favorite is the product description for SHAM-BOO (a play on “shampoo”):
“The BOO-TIFUL from dusk till dawn.”
I’d be so happy if the kids like it too!( ´艸`)