oshc activities
Gross and Messy Day / Gelatine Slime

Gelatine Slime

Children make a stretchy, gooey green slime from gelatine and syrup, exploring how ingredients change texture.

How to run it

  1. Dissolve gelatine in warm (not hot) water in a bowl.
  2. Stir in glucose or golden syrup and a drop of green food colouring.
  3. Let it cool and thicken, stirring occasionally.
  4. Let children stretch, drip and explore the slime.

You will need

  • gelatine
  • glucose or golden syrup
  • warm water
  • green food colouring
  • bowls
  • spoons
Make it easier or harderYounger children can explore a pre-made batch; older children can test different ratios.
SafetyAdults prepare the warm water, check for gelatine dietary restrictions and supervise so children do not eat the slime.
My Time Our Place · Outcome 4, Outcome 3Children investigate how materials change while enjoying a sensory experience.

Fits these theme days

Gross and Messy DaySlime Lab DayScience DayMessy Play DayHalloween

More like this

After School Quick STEM · Science Week · Science Day +3

Cup Tower Book Challenge

Children engineer a tower from cups and card strong enough to hold a book, testing ideas about balance, load and stable bases.

IndoorModerateGrab-and-goPrep to Year 6After School Quick STEM · Science Week · Science Day +2

Twisted Paper Loop Magic

Children make a twisted paper loop, predict what will happen when they cut it, then discover the surprising one-sided shape that results.

IndoorCalmGrab-and-goYears 4 to 6After School Quick STEM · Science Week · Science Day +3

Spaghetti and Tape Tower

Small teams build the tallest free-standing tower they can from dry spaghetti and tape, learning about triangles, bracing and teamwork.

IndoorModerateGrab-and-goYears 4 to 6Great Race Day · Gross and Messy Day · Games Carnival Day +2

No-Hands Donut Relay

Relay teams take turns eating a hanging donut without using their hands, then walk back to tag the next player for a funny, messy race.

OutdoorModerateSome prepPrep to Year 6