Balloon-Powered Upcycling Speedster.

You will need:


•    1 Drinks Carton (e.g. a milk carton) or 1 PET Bottle
•    2 Wooden Skewers
•    4 Screw Caps (e.g. plastic screw caps of drinks cartons or jam lids)
•    1–2 Straws
•    1 Balloon
•    Modelling Clay or Beads
•    Adhesive Tape
•    Glue
•    Tools including a hammer, nail and scissors