
ECO-BATTERY VEHICLES | Contents
Safety information ...................................................................................... 3
Equipment ....................................................................................................... 4
From battery to fuel cell .......................................................................... 5
Your metal–air cells .................................................................................... 6
Electricity terminology ............................................................................. 8
Questions? Answers! ................................................................................ 9
Tips and tricks for model building ...................................................... 10
How to use the metal–air cells ............................................................ 11
How to clean the metal–air cells ........................................................ 12
How to charge your batteries with the metal–air cells ........... 13
How to use the battery holder ........................................................... 14
Experiments ................................................................................................. 15
MODEL 1: Charging station .................................................................... 17
MODEL 2: Taxi .............................................................................................. 19
MODEL 3: Transporter .............................................................................. 20
MODEL 4: Roadster .................................................................................... 22
MODEL 5: Gymnast .................................................................................... 24
MODEL 6: All-terrain vehicle .................................................................. 26
MODEL 7: Hammer mill ............................................................................. 28
MODEL 8: Carousel .................................................................................... 30
MODEL 9: Jeep .............................................................................................. 32
MODEL 10: Windmill ................................................................................... 34
MODEL 11: Helicopter ............................................................................... 37
MODEL 12: Ferris wheel ........................................................................... 39
MODEL 13: Propeller plane ..................................................................... 41
MODEL 14: Motorcycle ............................................................................. 43
MODEL 15: Dredger .................................................................................... 45
MODEL 16: Propeller .................................................................................. 47
MODEL 17: Ballet dancer ........................................................................ 50
MODEL 18: Radar station ........................................................................ 53
MODEL 19: Mill ............................................................................................. 55
MODEL 20: Airplane ................................................................................... 57
MODEL 21: Sports car .............................................................................. 60
MODEL 22: Crab .......................................................................................... 62
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2

ECO-BATTERY VEHICLES | The parts inside your kit
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Description
SHORT FRAME
SQUARE FRAME
5-HOLE ROD
3-HOLE DUAL ROD
7-HOLE DUAL ROD (LONG ROD)
7-HOLE FLAT ROD
11-HOLE FLAT ROD
CURVED ELBOW ROD
90 DEGREE CONVERTER - R
90 DEGREE CONVERTER - L
EXTRA-LONG SHAFT
LONG SHAFT
MEDIUM SHAFT
METAL–AIR CELL
SHORT SHAFT
MOTOR SHAFT
LARGE GEAR WHEEL
MEDIUM GEAR WHEEL
SMALL GEAR WHEEL
AXLE LOCK
ANCHOR PIN
JOINT PIN
SHAFT PIN
MAG NESIUM METAL PL AT E
BLACK CONNECTING WIRE
RED CONNECTING WIRE
YELLOW BATTERY HOLDER
RED BATTERY RECHARGER
SYRINGE
SALT WATER BOTTLE
WHEEL
ANCHOR PIN LEVER
MOTOR
LIGHT-EMITTING DIODE (LED)
BRUSH
TOTAL
Quantity
2
1
2
2
2
4
4
2
2
2
1
2
2
2
2
2
2
2
2
4
23
1
2
6
2
1
1
1
1
1
4
1
1
1
1
91
Item No.
703232
705016
704063
705012
707046
712341
712340
705013
704064
705017
703518
703234
703238
712334
703236
702801
711100
710061
710062
702813
702527
702524
702526
712335
702593
702592
712339
710115
712343
712342
712336
702590
702800
704072
712344
x2
4
x2
5
15
x2 x2
12
x2 x2
21
22
x2
3
2
1
x1
8
x2
11
x2
9
10
x2 x2
x1
17
18 23
19
x2
20
x4 x23 x1 x2
x2
x2
14
27
28
x1
7
x4
6
x4
16
13
24
x6
29
x1
x1
x2
31
35
x1
33
32
30
25 26
x2
x1
x1
x4
x1
34
x1
x1
4

Salzwasser
Sauersto
(Kathode)
Sauersto
(Kathode)
Magnesium
(Anode)
e
-
THE CHEMICAL ELEMENTS
Here’s an overview to help you understand
what’s happening inside your metal–air cell.
O = oxygen
H = hydrogen
H
O = water
2
Mg = magnesium
Your metal–air cells | ECO-BATTERY VEHICLES
Magnesium (Anode)
Salt Water
Mg(OH)
= magnesium hydroxide
2
These are the reactions taking place in your metal–air cell.
Main reaction, which releases energy:
Reaction at the anode:
Mg - 2e¯ + 2HO —
>
Mg(OH) + 2H
+
Reaction at the cathode:
½ O + HO + 2e¯ —
>
2OH¯
Overall reaction:
Mg + 2HO —
>
Mg(OH) + H
Magnesium (Anode)
Oxygen (Cathode)
Salt Water
Oxygen (Cathode)
Magnesium Hydroxide
Oxygen (Cathode)
Magnesium Hydroxide
7

How to use your metal–air cells | ECO-BATTERY VEHICLES
1. First, prepare some salt water. For water
with 15% salt: Pour salt into the bottle up to
the 15% mark, and then fill to the top line
(the water line) with water.
For water with other salt concentrations,
simply fill to the corresponding mark on the
bottle.
2. Slide the magnesium plate into the
holder.
Make sure that the plate touches
the nickel contact.
3. Click the holder with the magnesium
plate into the tank.
Make sure the holder is
fully inserted.
MagnesiumPlate
Tank
Bracket
Nickel contact
5. Attach the metal–air cell to your car.
(You have to build one of the models follow-
5
ing the instructions starting on page 17.)
6. Connect the connection wire to the
1
metal–air cells.
6
2
7. Draw salt water into the syringe.
3
8. Inject the salt water into the tank
higher than the top fill line), and your car
takes o!
(no
7
4. Done!
Check one more time to be sure
everything is properly assembled.
4
8
11