The precision engineered Spirograph gears work with the two design pensincluded in the set as well as with most standard pens, markers and pencils.Spirograph Putty holds the pieces securely on the paper so that you can createintricately beautiful designs with no holes in the paper! The set also comeswith a 24-page design pad and a full colour design guide, which explains thefundamentals of drawing with Spirograph as well as step-by-step instructions forcreating your own designs!