04:39

Bobbing Bird Behaviour

02:52

Put the egg in the bottle

01:42

Tablecloth magic

01:48

Your own rubber band guitar

02:20

Pre-sliced banana

03:41

Paper and Card Croc Snapper

02:30

String for lunch

02:44

Disappearing spoon mystery.

01:34

Spinning eggs puzzle.

05:54

Make your own pearls

02:19

Make a Square from four matchsticks

03:17

Shipwreck treasure coins

02:22

'Lost at Sea' Problem

02:21

Make a bouncing egg

04:12

The mysterious Curiosity Wheel

04:48

Simple spring balance to make

03:29

Wriggling Model Snake

02:59

Two-Stage Balloon Rocket

04:35

Matchstick gliders

02:24

Salty Solution

05:28

Making a Wind Vane

03:31

Wire-mounting gemstones

01:54

Humming Noises with Mouth and Nose

04:39

Cardboard Sunglasses

08:00

Make a simple beaten copper ring

03:21

How Cicadas Work

03:52

Paper Water Bomb

05:29

Pumping Along With An Archimedes' Screw

04:25

Animated Toy - Rocking Clown - How to Make

02:54

Simplest Electric Motor

04:50

Marionettes - without too many strings attached.

02:53

Venn numbers

03:13

Relative Sizes - from sand grains to stars

02:18

Expanding picture to make

01:21

How not to catch the bus

02:07

Cardboard Finger Puppets

05:08

Papier Mache - with a difference

02:11

Sound Effect - Rocket

04:12

Making a Cardboard Cannon

03:53

PVC Cornett

02:04

Round peg in a square hole

03:26

Window Puzzle

04:45

Ice Cream Stick Piano

01:50

Bending Water

04:17

Null Cipher Code

03:53

The Secret Life of Pi

05:00

Perspective

04:58

Perpetual Calendar

03:20

The unbelievable domino stack

02:49

Which Is Heavier...?

04:12

Making Oxygen

27:30

Watch this complete episode with Rob, who will be interacting live in the comments.

04:56

Fibonacci Plant Rules

03:01

Mirror Golf

01:41

Why a Marathon?

04:44

Wax Flowers

01:57

Puzzle - Disc under Cup

03:54

Julius Caesar's Code

05:06

A Wind Wheel to Make

01:35

Water Fountain Puzzle