GRADES 3-6 · MACHINES + CODING

They will build it themselves.

Ten days of robotics across two weeks, taught the way engineers learn it. They find out how a motor, a gear and a sensor actually work, then they build five machines out of one box of parts and write the code that drives every one of them.

$39 per session
10
daily lessons
1.5
hours a day
5
robots built in class
THE BENCH · DAY 5 PHYSICS, LIVE
THEIR PROGRAM, IN BLOCKS
on start
set gear ratio to 3:1
run motor at 60%
forever
if clap heard → drive forward
GEAR RATIO
24
WHEEL RPM
TURNING FORCE112
▲ load
It walks.Force above the load, speed steady. This is the window the students are hunting for.

Same arithmetic the students use on day five: gear down for force, gear up for speed, and watch what stalls.

Watch it. Then build it.

Every step in this course arrives twice. First they watch it done on the real kit, close enough to see which hole the pin goes in, then they do it themselves with the parts on the desk in front of them.

Day six, the build

Two motors pinned into a Technic frame, filmed on the kit they will be holding.

Day six, the code

Writing the program that drives it, block by block, then sending it to the robot.

Two students at a desk, one holding a finished robot car they have builtDay six, in the centre
61

Sixty-one short films were made for this course. No stock clips, no animations standing in for the real thing - every one of them is the actual kit, filmed step by step.

The ten days

Five days of groundwork, then five machines. Each day adds one idea and keeps every idea before it. By day nine they are diagnosing a jammed gear train without help.

DAY 6 · BUILD 1

The Car

Two motors facing opposite ways, five ways to drive it, and lights that show what it is thinking.

WHAT THEY CAN CODE BY THIS DAY
drive forwardspin left / righttwo motorsset RGB lightif · else

What happens in a lesson

The same shape every day, so students always know what is coming. Ninety minutes, and something they built has moved by the end of it.

01

Gather

Every part checked off against the list before a thing is built. Hunting for a missing beam halfway through is nobody's idea of fun.

02

Watch

A short film of the next few steps, filmed on the real kit. Hands and parts, not diagrams.

03

Build

Numbered steps, with the classic mistakes flagged before they happen rather than after.

04

Code

They write the program themselves in MakeCode and send it to the robot over USB.

05

Run it

An inspection checklist, then power on. When it misbehaves, the checklist usually says why.

The kit they build with

One box, supplied by Acrobo for every lesson, that comes apart and goes back together ten times in class, and three more at home for families who take a kit home. Most robot kits build one thing and then live in a cupboard. This one gets rebuilt every day into something that behaves differently.

The micro:bit V2 board, showing its LED grid, buttons and gold edge connector
PART ONE · BBC MICRO:BIT V2

A real computer, palm sized

The board the whole course runs on.

The BBC micro:bit is used in classrooms worldwide. It has real sensors on board, so from day one your child is reading the actual world rather than typing numbers into a simulation.

  • Twenty-five lights they can control one at a time
  • A microphone, so a robot can be told what to do by clapping
  • A light sensor, a compass and a motion sensor
  • Programmed by dragging blocks together, not by typing syntax
  • Plugs into any laptop over USB - nothing to install
The servo expansion board with its battery holder, colour LEDs and motor headers
PART TWO · EXPANSION BOARD + TECHNIC

Motors, lights and Technic

Everything that turns code into movement.

The expansion board is where the code stops being abstract. Plug a motor into the wrong header and nothing happens - and working out which header, and why, is half the lesson.

  • Continuous-rotation motors, driven by direction and speed
  • Five colour lights used to show what the robot is thinking
  • Battery power, so the robots run untethered
  • LEGO Technic beams, pins, axles and gears
  • Every part numbered, so nothing is ever "the grey bit"

You will know how they went

Not a vague "they had fun". Progress here is visible, because a robot either works or it does not.

DAY 5

The foundations check

Before any robot is built, can they wire a motor the right way round, name the parts they are holding, and write a program that runs first time? Their tutor notes what still needs a reminder before the builds start.

DAY 10

Five working machines

Every build finishes with an inspection your child runs themselves - motors square, gears meshing, nothing fouling. Ten days in, they have five robots that ran, and the habit of checking their own work before asking for help.

What is included

Everything they need for the ten days.

  • ✓Ten live lessons, ninety minutes each
  • ✓A robotics kit for every student, supplied by Acrobo in every lesson
  • ✓Sixty-one short films made for this course, not stock clips
  • ✓An interactive workbook for every module, which saves their answers
  • ✓Ten badges, earned one per module
  • ✓Five working robots built in class
$39
per session
Session length1.5 hours
Course length10 days, across two weeks
Year levelsGrades 3-6
Class sizeMaximum 12 students
DeliveryIn centre, tutor-led

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Questions parents ask

+Do they need to know how to code already?

No. Day one assumes they have never written a line. MakeCode works by dragging blocks together rather than typing, so spelling and reading level are not the barrier they would be with a text language. By day six they are writing programs on their own.

+Do they need to bring a kit?

No. Acrobo supplies the micro:bit, the expansion board, the motors and all the Technic parts, and they use the same kit every day. All they bring is a laptop.

+Is this just following instructions?

The building steps are guided, because a child who cannot get the robot together never reaches the interesting part. The code is not. Every build introduces a problem the instructions deliberately leave for them - why the car spins instead of driving, why the legs jam, why the wheel stalls.

+What happens when a robot does not work?

That is the most useful moment in the lesson, and it happens to everyone. Almost every failure traces back to something checkable: a motor mounted backwards, a gear out of line, a plug in the wrong pin. Learning to find it is most of what the course is teaching.

+Grades 3 to 6 is a wide range. Will it suit my child?

The reading is pitched at the younger end and the engineering at the older end, so a Grade 3 student is stretched by the ideas rather than by the words. Classes are capped at twelve so the tutor can pitch each build to the child in front of them.

Ask us anything.

Tell us a little about your child and we will come back to you with the next available start date.

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