Dad's Puzzle Family Set
With Fujiwara 15/22/25 and Super Compo
Made by J. A. Storer, 2007.
(wood box with plexiglass bottom, lid, and 13 pieces, 5.75" x 7.75" x 1.25")
A box with a 4x5 tray and a 4x1 side tray to hold unused pieces.
There are a total of six 1x1 pieces, six 1x2 pieces,
and one 2x2 piece. Many classic 4x5 tray puzzles can be played;
Dad's Puzzler,
Nine Block,
Quzzle / Quzzle Killer,
Traffic Jam,
Red Donkey,
Century,
Super Century,
Century And A Half,
Little House,
Ushi,
Hole in One,
King Out,
etc.
Hordern's book
shows many other puzzles that can be played.
Another source for 4x5 tray puzzles is
Fujiwara's Step by Step Problems
page,
which gives 25 problems of increasing difficulty (along with solutions if you get tired).
Here are three of them and also
Super Compo
(designed by
Junk Kato  see Baxter's Page),
which is similar to but requires more moves that Fujiwara 25:
Fugiwara 15

Fugiwara 22

Fugiwara 25

Super Compo

Further Reading
Fujiwara's Page,
from: http://www.pro.or.jp/~fuji/java/puzzle/slide/V1.0/fuji.indexeng.html
Baxter's Page,
from: http://www.johnrausch.com/SlidingBlockPuzzles/4x5.htm
A Solution To Fujiwara 15
Here is a solution of 47 straightline moves;
it can be converted to 43 rectilinear moves by combining steps 13/14, 27/28, 33/34, 45/46:
(one move = sliding one piece any number of units in one direction)
A Solution To Fujiwara 22
Here is a solution of 64 straightline moves;
it can be converted to 62 rectilinear moves by combining steps 11/12, 53/54:
(one move = sliding one piece any number of units in one direction)
A Solution To Fujiwara 25
Here is a solution of 111 straightline moves;
it can be converted to 101 rectilinear moves by combining steps 2/3, 19/20, 23/24, 30/31, 41/42, 53/54, 57/58, 60/61, 84/85, 109/110:
(one move = sliding one piece any number of units in one direction)
A Solution To Super Compo
Here is a solution of 132 straightline moves;
it can be converted to 123 rectilinear moves by combining steps 32/33, 39/40, 42/43, 62/63, 74/75, 78/79, 81/82, 105/106, 130/131:
(one move = sliding one piece any number of units in one direction)