3-D Two Line Drawing Pens Style:One Set of 6 Pens TetraTower™ is both a game

TetraTower™ is both a game and a mental exercise

✅ 1* Mat (39

MOISTURISING AND LONG-LASTING

The sealed back cover and ingenious design can achieve a real leak-proof design

You only need to place the pen under the text you need to mark and slide it gently

3-D Two Line Drawing Pens Style:One Set of 6 Pens TetraTower™ is both a gameDESCRIPTION Juice up your notes with these innovative 0. 5mm dual tip fine point pens that can draw stunning double parallel lines, and they will certainly become one of your all time favorite pen sets. FEATURES SMOOTH WRITING & DUAL TIP DESIGN The functional dual tip design allows you to use single or double colors comfortably for ultra precise strokes and will give you a fluid and exciting writing experience. COMFORTABLE DESIGN The ergonomic pen