bids are invited for petri dish- glass - good quality , universal extension board- multi plug 4m cord with usb - good quality , lancet pricking needle - good quality , human digestive system - acrylic board of size 3ft x 2ft , male reproductive system - acrylic board of size 3ft x 2ft , female reproductive system - acrylic board of size 3ft x 2ft , excretory system - acrylic board of size 3ft x 2ft , plant cell - acrylic board of size 3ft x 2ft , animal cell - acrylic board of size 3ft x 2ft , pedigree analysis widows peak - acrylic board of size 3ft x 2ft , pedigree analysis rolling tongue - acrylic board of size 3ft x 2ft , pedigree analysis ear lobes - acrylic board of size 3ft x 2ft , photosunthesis light reaction - acrylic board of size 3ft x 2ft , lac operon - acrylic board of size 3ft x 2ft , electron transport chain - acrylic board of size 3ft x 2ft , photorespiration c2 pathway - acrylic board of size 3ft x 2ft , calvin cycle - acrylic board of size 3ft x 2ft , dna - acrylic board of size 3ft x 2ft , rna - acrylic board of size 3ft x 2ft , human muscular structure - acrylic board of size 3ft x 2ft , human brain - acrylic board of size 3ft x 2ft , human respiratory system - acrylic board of size 3ft x 2ft , frog anatomy - acrylic board of size 3ft x 2ft , development of embryo - acrylic board of size 3ft x 2ft , plasma membrane - acrylic board of size 3ft x 2ft , life cycle of plasmodium - acrylic board of size 3ft x 2ft , life cycle of hiv - acrylic board of size 3ft x 2ft , replication of dna - acrylic board of size 3ft x 2ft , translation of rna - acrylic board of size 3ft x 2ft , transcription of rna and rna modification - acrylic board of size 3ft x 2ft , mitosis - acrylic board of size 3ft x 2ft , meiosis - acrylic board of size 3ft x 2ft , human heart 3d pumping model - good quality , transparent human lung 3d model large size - good quality , portrait of james watson - good quality , portrait of francis crick - good quality , portrait of rosalind fra