leveling

Manfrotto 338 Leveling Base - Replaces 3416
$97.69
Cons: A lot bigger than thought, and very heavy. Adjusting screws where impossible to turn with finger tips, so i had to losen mounting screws, wich almost broke...
Pros: once nice and smooth, a very precise leveling base, a must have if you have very long focal lenses or shoot macro

Dap 18370 Self-Leveling Concrete 3.0 Sealant 9.8-Ounce
$5.96
9 OZ, #3.0 Self-Leveling Concrete Advanced Concrete & Masonry Sealant, Specially Formulated With Kwik Dry Technology Allowing It To Be Exposed To Water & Moisture After Only 3 Hours Without Washing Out, Unlike Typical Latex & Silicone Caulks & Sealants Which May Need A 24������"36 Hour Waiting Period, Ideal For Filling & Sealing Horizontal Cracks In Sidewalks, Concrete Driveways, Above Ground Foundations, Patios, Concrete Steps, Garage Floors & Other Masonry Surfaces, Cured Sealant That's Mold & Mildew Resistant, Permanently Watertight & Weather Tight Seal, Superior Adhesion & Flexibility So It Won't Crack Or Shrink, Extreme Weather & Temperature Application Range: -35 Degree To 140 Degree, Low Odor & Low VOC Content Superior Paintability, Lifetime Guarantee.

Wobble Wedges Leveling Shims, Set of 12
$7.99
Fix anything that wobbles; level anything that tilts with Wobble Wedges. Set of twelve shims. Shims provide consistent expansive / stabilizing force when compressed between two surfaces. They're perfect for leveling plumbing fixtures, fountains and statuary, furniture and appliances - cabinets, shelving, workbenches, bookshelves, patio furniture, and herb and flower pots. Use them indoors or outdoors; use them to level nearly anything, anywhere. Made of Polypropylene and made in the USA.

Disney 2nd Grade Active Leveling Advantage w Buzz (Jewel Case) Ages 6-8
$9.99
My students are thrilled with this product. Who doesn't like Buzz and toystory? The service at Amazon is A #1.