ソング
Gear-Wheel Systems
1
4:37
 
How Science Comes from Toys
2
1:56
 
Toys and Gravity
3
2:41
 
Some General Objectives for Toys
4
3:25
 
Testing Boats
5
2:32
 
A Scientific Doll
6
3:35
 
Awareness of Cause-Effect Relationships
7
3:10
 
Toys Involving Inertia
8
3:04
 
An Unusual Investigation
9
5:02
 
Aesthetic Awareness
10
2:24
 
The Paths of Bouncing Balls
11
3:50
 
From Toys to the Real Thing
12
4:11
 
Simple Circuits
13
4:15
 

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