the refill is compatible with all Ballograf pens except the Pocket model

Quick-drying AP certified nontoxic ink

48 set with Prismacolors popular artist quality colored pencils

You will get an instant understanding of proportions

and the nib can be changed as well

mtn systems new york subway Talens Ecoline Liquid Water Colour Ink And Brush-pens the refill is compatible withReplica of New Yorks subway in cardboard that you can paint and then fold together as a 3D model. You can paint or draw with pretty much any kind of marker since the train is made of cardboard, but we recommend water based acrylic markers. The model is about 43 cm x 10 cm x 9 cm when it has been folded.