Make a simple telescope: two convex lenses, blu-tac, metre ruler 200mm focal length objective lens 100mm focal length eyepiece lens UK Supplier: ...
by Vuramass
by Tanis GallerY
by Mini Gear
by Rainbow Tinkle's World
by All About Easy Craft Ideas
by Crafts, Homeschooling & More!
by Majovel crochet english