oshc activities
Theme days / Slime Lab Day

Slime Lab Day ideas for OSHC

17 DIY activities for Slime Lab Day at before and after school care or vacation care. Pick and mix, or build a balanced day in one click.

Build a Slime Lab Day
Slime Lab Day · Sensory Day · Messy Play Day +1

Edible Marshmallow Slime

Younger children knead melted marshmallows and cornflour into a soft, stretchy, taste-safe slime, perfect for groups who still put things in their mouths.

IndoorCalmSome prepPrep to Year 3
Slime Lab Day · Sensory Day · Detective Day +1

Feely Bag Textures

Younger children reach into mystery bags and use only their sense of touch to describe and guess what is inside.

IndoorCalmGrab-and-goPrep to Year 3
Slime Lab Day · Sensory Day · Messy Play Day +2

Fluffy Cloud Slime

Children fold shaving foam into PVA slime to make a puffy, cloud-soft slime and compare how it feels with regular slime.

IndoorModerateSome prepPrep to Year 6
Space Explorers · Slime Lab Day · Science and Space +1

Galaxy Slime

Children make sparkly purple and black slime with glitter stars, then compare their galaxy swirls.

IndoorModerateSome prepPrep to Year 6
Gross and Messy Day · Slime Lab Day · Science Day +2

Gelatine Slime

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

IndoorCalmSome prepPrep to Year 6
Messy Play Day · Sensory Day · Gross and Messy Day +2

Goop, Mud and Sand Stations

Children move between stations of cornflour goop, edible chocolate mud and mouldable sand to explore very different textures.

EitherModerateBig set-upPrep to Year 6
Sensory Day · Messy Play Day · Beach Day +1

Homemade Kinetic Sand

Children mix sand, cornflour and a little oil into soft, mouldable play sand for building and squishing.

IndoorCalmSome prepPrep to Year 6
Slime Lab Day · Science Day · Science Week

Magnetic Slime Demo

An educator mixes iron oxide powder into slime and children watch it creep towards a strong magnet, sparking big questions about magnetism.

IndoorCalmSome prepYears 4 to 6
Neon Day · Slime Lab Day · Science Week +3

Neon Glue Slime

Children make stretchy slime in neon colours using a borax-free recipe, then explore how it stretches and moves.

IndoorCalmSome prepPrep to Year 6
Messy Play Day · Science Week · Science Day +3

Oobleck Exploration

Children mix cornflour and water into a strange goo that feels solid when squeezed but runs like liquid when relaxed.

IndoorCalmGrab-and-goPrep to Year 6
Science Day · Slime Lab Day · Volcano Day +2

Slime and Volcano Lab

Children rotate between a slime station and a bicarb volcano station, experimenting with two very different science reactions.

EitherModerateSome prepPrep to Year 6
Slime Lab Day · Craft Day · Science Day

Slime Jar Decorating

Children decorate a container with stickers and labels to take their slime home, inventing a name for their slime recipe.

IndoorCalmGrab-and-goPrep to Year 6
Slime Lab Day · Halloween · Gross and Messy Day +1

Slime Monsters

Children turn blobs of slime into silly creatures with googly eyes and beads, then give them names and back stories.

IndoorCalmGrab-and-goPrep to Year 6
Slime Lab Day · Sensory Day · Messy Play Day +1

Soap Sand Dough

Children mix sand, cornflour, dish soap and water into a squishy, clumping sand they can mould, cut and build with.

IndoorCalmSome prepPrep to Year 6
Halloween · Slime Lab Day · Messy Play Day +2

Spooky Cornflour Goo

Children make a squishy, gooey slime from cornflour and conditioner, add colour and hide plastic spiders inside.

IndoorCalmGrab-and-goPrep to Year 6
Science Day · Slime Lab Day · Science Week +1

Stretchy Slime Lab

Children make slime with different recipes and test which stretches the longest, measuring results like scientists.

IndoorModerateSome prepPrep to Year 6
Superhero Day · Science Day · Messy Play Day +3

Super Goop

Children mix cornflour and water into a strange goop that feels solid when punched and runs like liquid when held.

IndoorModerateGrab-and-goPrep to Year 6