Baloon Car

Material requires
1.Baloon
2.Cardboard
3.Two straws
4.Pen
5.Bottlecap 4 pieces

Step 1:

1.Make a hole in the four bottlecaps
2.Cut the straw to the appropriate size
3.Use refiller as axel

Step 2:

1.Paste the baloon to the pen
2.Attach that to carboad as shown

Step 3:

Paste the straw to the cardboard

Step 4:

Fix the tyre