Unfortunately I found out too late that you can buy these Giotto pens for dirt cheap on amazon (0,36€/pen). At least the mods I bought look nice. : r/penspinning
Giotto Turbo Maxi Super Washable 24 Large-Tip Felt Pens Set – ATARTSGIFTS
Amazon.com: Giotto Turbo Maxi Super Washable Felt Tip Fibre Pens, Large Tip Nib 5mm, 12 Assorted Colours, Ideal for Children, Parties and Schools : Toys & Games
Amazon.com: Giotto Turbo Maxi Super Washable Felt Tip Fibre Pens, Large Tip Nib 5mm, 12 Assorted Colours, Ideal for Children, Parties and Schools : Toys & Games
Turbo Maxi Giotto Pack of 12 Brown : Amazon.de: Business, Industry & Science
Giotto Turbo Maxi – Pack of 108 5240 Class Pack Assorted Colours : Amazon.de: Toys
Giotto Turbo Maxi: Amazon.de: Toys
Amazon.com: Giotto Turbo Maxi Super Washable Felt Tip Fibre Pens, Large Tip Nib 5mm, 12 Assorted Colours, Ideal for Children, Parties and Schools : Toys & Games
Amazon.com : Turbo 456006 Giotto Turbo Maxi Broad Tip 1 – 3 mm Pack of 12 Pink : Office Products
Giotto Turbo Maxi : Amazon.it: Giochi e giocattoli
Fila GIOTTO ASTUCCIO APP PENNARELLI TURBO MAXI 12 PZ : Amazon.it: Cancelleria e prodotti per ufficio