Date: 10/12/2019 18:20:44
From: Spiny Norman
ID: 1472014
Subject: Clever maths sticks

I’ve not seen these before, I’m quite impressed.

Genaille-Lucas Rulers

Reply Quote
Date: 10/12/2019 18:46:21
From: Bubblecar
ID: 1472021
Subject: re: Clever maths sticks

I hadn’t heard of them either. They’re pleasing.

Reply Quote