Beth am ddefnyddio sbwriel yn y ty / pethau i'w ailgylchu i greu model gwych... dyma rhai syniadau! Anfonwch lun ar drydar i ni gael gweld @DerbynPYP / How about using rubbish in the house / items to recycle to make a brilliant model... here are some ideas! Send us a photo of your work on twitter @DerbynPYP