No-Fail Needle Felting

A no-fail and low cost process for needle felting for use by individuals or in the classroom.
Individual kits are available on Amazon for very low cost (search "Needle Felting Kit," but if you want to know what I bought for my classroom, here it is.
Wool roving: amzn.to/2LTTIQ5
Acrylic felt: amzn.to/2SDnJGr
Felting Needles: amzn.to/2F9OYp5
Upholstery Foam: amzn.to/2SzZg4K