Magnifying glass

1mm acrylic mirrors single-sided in the size 15 x 10cm in packs of 10

Base 10 Blocks setpack:74 pcscolor:  10 colorssize:1cm 22 pcs ,2cm 12 pcs ,3cm 10 pcs,4cm 6 pcs,5cm ~10cm each 4 pcs 

Small Balance Board with 10 (1cm) cubes20*5.2*2.3cm8g per cube

Math Balance with 75pcs weights/box weights: 10g x10pcs + 5g x15pcs +1g x50pcs

ML/DL

7 kinds Cylinder 7pcs/set/ 10㏄,25㏄,50㏄,100㏄,250㏄,500㏄,1000㏄1PCS