Boompy ballpoint pen

Wooden ballpoint pen with square barrel and 14 cm ruler on one side. With blue refill.

Bamboo inkless pen with metal parts. With metal alloy tip, which oxidizes the paper. This pen writes similarly to a pencil, and it is also erasable.

Long-lasting inkless bamboo pen with metal alloy tip, which oxidizes the paper. This pen writes similarly to a pencil, and it is also erasable.