Black and Decker LZR3 Bullet Laser Level.

BUCK

Don't have shelves like mine :eek: Buy this insteadhttp://www.argos.co.uk/static/Product/partNumber/7017766/Trail/C%24cip%3D42115.DIY%2C%2Bgarden%2Band%2Bcar%3EC%24cip%3D44805.Clearance%2BDIY%2C%2Bgarden%2Band%2Bcar%3EC%24cip%3D45055.Clearance%2BDIY%2BTools%2Band%2Bequipment.htm

redmoorphil

That would make a brilliant marble run!
:rotfl: :rotfl: :rotfl:

Nilrem

Those Laser levels are a godsend, i'm very tempted to pick that model up as i've got the LZR6 (free standing/wall/hanging/tripod) and i think the LZR4 (wall level/detector) both of which have saved me so many problems with the old spirit levels.