FABER-CASTELL Connector Pen Assorted Wallet of 20 Unique childsafe caps that are air tight and clip together. Water based non-toxic ink and washable from most materials.The ConnectorA Pen Jumbo with its thick barrel, pressure-safe tip and with no additional connector parts is recommended for children upwards of three years old for carefree play.A ConnectorA Pens have a lot to offer. For little artists, they are not just the ideal tool that guarantees bright colours and all kinds of fun when drawing. They can be connected using the specially formed caps . A Features: The felt tip pens can be connected together with the special clip Matching connector caps and smooth bullet large tips for brilliant colouring 2.35 mm line width Washes out from most textiles Colour: Assorted Wallet of 20 Markers Recommended for ages 3 Years+