Set of 25 slides as specified for GCSE Biology syllabus:

Human blood smear
Kidney TS
Lily anther tetrads TS
Skin, sweat glands VS
Ovary VS
Spinal Cord TS
Yeast (saccharomyces) E
Dicot stem apex LS
Dicot stem separate bundles TS
Monocot (zea) root TS
Allium root tip, mitosis LS
Allium root tip,squash
Monocot leaf epidermis E
Artery and vein TS
Squamous epithelium
Kidney injected VS
Lung VS
Skin,hair insertion VS
Lung injected VS
Testis TS
Pancreas TS
Mucor asexual E
Moss leaf, for cells
Dicot leaf TS
Dicot stem old TS