Mark Weakland

How Tall?: Wacky Ways to Compare Height

Mark Weakland

$7.99 - $10.29

How Heavy?

Mark Weakland

$8.59 - $9.41

Thud!: Wile E. Coyote Experiments with Forces and Motion

Mark Weakland

$5.49 - $8.79

Smash!: Wile E. Coyote Experiments with Simple Machines

Mark Weakland

$4.59 - $23.37

Zoom!: Wile E. Coyote Experiments with Speed and Velocity

Mark Weakland

$6.59 - $23.37

Whoosh!: Wile E. Coyote Experiments with Flight and Gravity

Mark Weakland

$5.59 - $23.37

Wile E. Coyote's Physical Science for Super Geniuses in Training

Mark Weakland

$9.99 - $12.50

When Amelia Earhart Built a Roller Coaster

Mark Weakland

$4.39 - $21.75

The Solid Truth about Matter

Mark Weakland

$4.79 - $14.59

Captain Kidd's Crew Experiments with Sinking and Floating (In the Science Lab)

Mark Weakland

$3.89 - $20.95

When Martin Luther King Jr. Wore Roller Skates

Mark Weakland

$5.19 - $21.75

Football ABC (SI Kids Rookie Books)

Mark Weakland

$5.49 - $11.99

Clang!

Mark Weakland

$18.69 - $23.37

Football Colors (SI Kids Rookie Books)

Mark Weakland

$8.79 - $10.29

Football Opposites

Mark Weakland

$5.39 - $21.39

Kaboom!: Wile E. Coyote Experiments with Chemical Reactions

Mark Weakland

$23.37 - $63.99

Zombies and Forces and Motion

Mark Weakland

$5.89 - $8.79

Yogi Bear's Guide to Animal Tracks

Mark Weakland

$8.39 - $21.75

Scooby-Doo! an Addition Mystery: The Case of the Angry Adder

Mark Weakland

$21.75

Seeds Go, Seeds Grow

Mark Weakland

$4.99 - $9.41

When Neil Armstrong Built a Wind Tunnel

Mark Weakland

$6.29 - $21.75

When Ruth Bader Ginsburg Chewed 100 Sticks of Gum

Mark Weakland

$7.69 - $21.75

Bubbles Float, Bubbles Pop

Mark Weakland

$5.99 - $9.41

Scooby-Doo! a Subtraction Mystery: The Case of the Disappearing Doughnuts

Mark Weakland

$17.39 - $21.75

When Walt Disney Rode a Pig

Mark Weakland

$15.89 - $21.75

DO-4U the Robot Experiences Forces and Motion

Mark Weakland

$5.39 - $9.99

Applying the Science of Reading (Quick Reference Guide)

Mark Weakland

$13.96

When Wilma Rudolph Played Basketball

Mark Weakland

$4.59 - $21.75

Yogi Bear's Guide to Rocks

Mark Weakland

$83.79 - $100.59

Los Imanes Atraen, los Imanes Repelen/Magnets Push, Magnets Pull

Mark Weakland

$6.29 - $11.79