B.4 Troika B.4.01tk-pat01-ti Stylet “APP TOUCH by TROIKA®” B.4.02tk-pec70-bs Set “CONSTRUCTION SET ZIRKEL” B.4.03tk-pec71-bg Set “CONSTRUCTION SET GOLD” B.4.04tk-pec72-gb Set “CONSTRUCTION SET RULER” B.4.05tk-pen10-x Stylo roller “WORLD IN YOUR … B.4.06tk-pen84-x Stylo roller B.4.07tk-pip05-wo Stylo à bille “SMOOTH TOUCH … B.4.08tk-pip20-x Stylo à bille multitâche “CO …