Convex surface base 10 sets pack: 121pcs /set 1 red cube, 10 blank flats, 10 rods and 100 1cm units red decimeter cube : Hollow (light), can be either one unique (closed) or box-like.Size: 26x11x11.5 cm / 615.80g / 692.8g
121PCS Base 10 Blocks setBoxYellow Decimeter Cube: Hollow (light), can be either one unique cube (closed) or box-like.Size 10x10x10cm - 1 pc, 10x10x1cm - 10 pcs, 10x1x1 cm - 10 pcs,1x1x1 cm - 100 pc.