Kenner
Hydro Dynamics # 12
Building Sets


Updated March 4, 2012
Hydro Dynamics # 12 - set 28

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Mint in Box!

Here it is! The Holy Grail of Kenner Building sets. A Mint-Quality Double Hydro Dynamics #12.

This is the most sought-after edition of all the Kenner sets. A mint condition set like this one is almost unheard of.

This set is 104% complete, and the pumps are in good working order. It is of a quality and completeness rarely found in these sets.

Yes, it even has the original 30
C O L O R
T A B L E T S !

All the parts are in very good to excellent condition. Most are sealed in plastic abgs

The pump motors are in good working order. They have been cleaned and oiled for optimal operation.

All pipe fittings of the proper type and count are present.

The electric light string has 3 working bulbs! A very rare find!

The color tablets are still sealed in their original wrappers.

The planning guide and all paperwork are in excellent condition.

The plastic pipes are all original.

The base tray is in excellent condition and has been tested to be watertight.

All of the signs are unique, just as originally shipped by Kenner. Most are still unpunched.

The box is sturdy and in very good condition.


Sets of the caliber are very rare. Act now because this one will not last long!


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Parts Inventory
Original Included
Girders (3 types) 281 288
Braces (2 types) 63 63
Window & Roof Panels (8 types) 42 43
Road Sections (5 types) 15 16
Signs 29 29
Tanks and Parts 45 45
Pipe Fittings 87 88
Clear Pipes 63 77
Deburring Tool 1 1
Electric 3 Light String 1 1
Electric Float Switch 1 1
Masonite Bases 4 4
Base with 2 Pumps 1 1
Instruction Sheets 3 3
Color Tablets 30 30
Planning Book 1 1
Part Reorder Sheet 1 1
Box 1 1


Click here to see full size pic


Click here to see full size pic


Click here to see full size pic

Ordering Information

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Jeff Popp
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