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Up Your Nose

The Ocean in Your Bathtub

The Ocean in Your Bathtub

X-Ray Me!

The Ocean in Your Bathtub

The Ocean in Your Bathtub

Pitter Pattern

Power Up

A Hundred Billion Trillion Stars

A Hundred Billion Trillion Stars

On This Spot

Dig, Wait, Listen

Dig, Wait, Listen

Let's Count

Cubes, Cones, Cylinders, & Spheres

Cubes, Cones, Cylinders, & Spheres

Big and Little

Colors Everywhere

Colors Everywhere

Construction Zone

Construction Zone

Exactly the Opposite

Exactly the Opposite

Shadows and Reflections

Shadows and Reflections

Shapes, Shapes, Shapes

Shapes, Shapes, Shapes

Incredible Inventions

Incredible Inventions

The Train of States

The Train of States

Rocks in His Head

Rocks in His Head

White Is for Blueberry

White Is for Blueberry

Exactly the Opposite

Exactly the Opposite

Shapes, Shapes, Shapes

Shapes, Shapes, Shapes

Mapping Sam

A Hundred Billion Trillion Stars

A Hundred Billion Trillion Stars

Beatrice Was a Tree

Beatrice Was a Tree

Eat Your Woolly Mammoths!

Eat Your Woolly Mammoths!