Marble painting in a box

How to make it

1. 

   1

   Line the box

   Put a sheet of paper in the bottom of the box lid.

2. 

   2

   Dip the marbles

   Drop a marble in a puddle of paint and roll it with a spoon until it's coated.

3. 

   3

   Add them to the box

   Spoon the marbles onto the paper.

4. 

   4

   Tilt and roll

   Tip the box side to side. Watch the trails crisscross.

5. 

   5

   Add a new color

   Swap in a marble with a new color. Lift out the paper when you like it.