I can’t see how it makes sense to order from AliExpress and get it shipped from China, but maybe it does. At least if you can survive with 500mm long stock
C$ 14.18 13? Off | 10pcs 500x100x0.75/1/1.5/2/2.5/3/4/5mm EXCELLENT QUALITY Model Balsa wood sheets for DIY airplane boat model material
https://a.aliexpress.com/_m0XTEg2