https://www.youtube.com/watch?v=PtFzAJ38M9A

Release your creativity and your imagination by building your own homemade chain reaction machine. Learn the simple science you can use to build a not so simple Rube Goldberg machine! Using materials and anything you can find at home, you'll be bopping, popping, rocking and rolling with your new crazy, silly, but thoroughly enjoyable invention! Suitable for all the family.

What you'll need:

Something that rolls eg. marble, ping pong ball, tennis ball (even an orange)

Tracks to roll on: toilet roll cardboard, toy train tracks, piping, tubes

Things that fall: Dominoes, lego bricks, lots of books are really great, cereal boxes, cups, lollipop sticks, balloons

Necessary equipment: scissors, roll of tape, string, some paper and colouring pens

ABOUT

Mark Langtry is a Theoretical Physicist, TV presenter, Science Communicator and former professional footballer who educates and entertains audiences of all ages across the world. Mark works with scientists, engineers, artists, brands and companies to communicate their message in an engaging, entertaining and unique way, through exploring the wonderful world of science and technology. Mark has an unrivalled ability to engage audiences, through his RTÉ TV show 'Let's Find Out' and through performing live shows at schools, festivals and events across the world.