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E. OPERATION

Put your Table Top Robot in the centre of a clear table top (or on a toy box). Switch on to make the robot go. The

robot will move sideways. Make sure the starting angle of the robot is about perpendicular to the table edge,

so that when it walks towards the table edge, it can turn and keep going. Otherwise it may fall off the edge.

F. TROUBLESHOOTING

If the motor does not run:

• Check that you are using a fresh battery.

• Check that the battery is inserted the correct way round in the battery case.

• Check that all four wires are touching the metal terminals

If the robot falls off from the table:

• Check that the starting angle is about perpendicular to the table edge.

G. HOW DOES IT WORK?

The battery provide electricity to the motor, which turns the rotor at high speed. The gears reduce the

speed of rotation so that the wheels turn quite slowly. It turns the two driving wheels and a third, single

wheel at right angles to the others. This third wheel doesn't quite touch the table because of the roller.

When the robot reaches the edge of the table, the rollers go over the edge, allowing the third wheel to

tough the table. This makes the robot turn until the rollers move back onto the table. Cams on the axle

push the plates that the legs and claws are attached to turn from side to side.

H. FUN FACTS

• The robot legs are specially designed for adsorbing impact. If the robot accidentally falls off the table,

the legs will be the first part to touch the ground. This makes the legs absorb most of the impact force,

minimizing the damage to the chassis. If the impact is big, the legs may come off from the chassis.

Don't worry, they can be reinstalled and used over and over again!

• Many robots crabs have been built that walk sideways in the same way as real crabs.

• The fastest crab is the ghost crab, which can scuttle along at speeds up to 16 kilometres per hour (10

miles per hour) — much faster than your walking pace!

• Crabs walk sideways because they can't walk forwards! The middle joints in their legs can only bend

up and down, not from side to side.

• Cams move the Table Top Robot's legs and claws. The cam is a useful mechanical device for controlling

movement. It was first used more than 2,000 years ago.

• Many mobile robots have sensor systems to avoid falling off edges or bumping into walls. They use

touch sensors or optical sensors to detect edges and walls.

• Some robots can remember the location of the edges, walls and other obstacles they hit, so they can

avoid them in the future.

TABLE TOP

ROBOT

On table

A. SAFETY MESSAGES

1. Adult supervision and assistance are required at all times.

2. This kit is intended for children 8 years or older.

3. This kit and its finished product contain small parts which may cause choking if misused. Keep away from

children under 3 years old.

4. To prevent possible short circuits, never touch the contacts inside the battery case with any metal.

B. USE OF THE BATTERY

1. Requires one 1.5V AA battery (not included).

2. For best results, always use a fresh battery.

3. Make sure you insert the battery with the correct polarities.

4. Remove the battery from the kit when not in use.

5. Replace an exhausted battery straight away to avoid possible damage to the kit.

6. Rechargeable batteries must be removed from the kit before recharging.

7. Rechargeable batteries should be recharged under adult supervision.

8. Make sure that the supply terminals in the battery case are not short circuited.

9. Do not attempt to recharge non-rechargeable batteries.

C. CONTENTS

A: Transparent cover x 1

D: Battery case x 1

H: Metal wire antenna x 1

Also required, but not included: 1 x 1.5V AA battery, small crosshead screwdriver.

To Parents: Please read through these

instructions before giving guidance to

your children.

B: Chassis with motor installed x 1

F: Washer screw x 1

E: Claw x 2

I: Terminal cap x 2

J: Axle x 2

C: Leg x 8

G: Screw x 2

K: Gear x 2