Our invention idea:

SEA Chalk
o l l
p l e
h i x
i e
a

Versions:

ORIGINAL SIDEWALK
Sparkle Sparkle
Glow Glow
Magnetic Rainbow
Rainbow






Recipe:
  • 1 cup of Plaster of Paris
  • 1 cup of Water
  • Powdered Tempera Paint
  • Disposable Container
  • Grease-proof Paper
  • Toilet rolls
  • masking tape