The animation used wooden dolls (I think), claymation, and anything else that suited the needs of the production company. It's occasionally a little slow-moving compared to modern animated film, but works well.
The Pied Piper of Hamelin is basically an animated version of the traditional poem and paintings based on it, read by Robert Hardy. The town of Hamelin is infested with rats, a mysterious Piper arrives and offers to get rid of them for a thousand guilders. The mayor and council agree, and he gets rid of the rats... then the council reneges on the deal, and the Piper takes the town's children instead of the money.
The Piper's first appearance:
Confronting the Mayor and council
The Piper starts to summon the children
The children follow the piper out of town
Despite its age the colours are really vibrant and the recording is still extremely clear.
Cinderella uses the same animation techniques, but the colour tends more towards pastels, gauze filters, etc. so clarity isn't always so good. It's the traditional story as told by Perrault, ditching some of the later additions to the story such as Buttons. It does still have the cat, mice, pumpkin, etc. Unusually there's no narration or dialogue, just music.
The wicked stepmother tears up Cinderella's invitation to the ball
Cinderella and the Prince dance at the ball
Cinderella and the Prince at their coronation
Both are very good considering their age - the disk seems to be VERY rare, so if you ever see it, grab it and pass it on to someone who can use it!
Also finally sold my old DVD player!