The question is not comfortable with the geometry of the pen.
Packing child self-hardening clay. cheesy.gif very suitable material: a week or clay hardens and becomes similar in consistency to thick Styrofoam. The photo shows just a box with the plasticine.
Packing child self-hardening clay. cheesy.gif very suitable material: a week or clay hardens and becomes similar in consistency to thick Styrofoam. The photo shows just a box with the plasticine.