Today we’re making a bright and playful watermelon sensory bin filled with dyed rice, black bean “watermelon seeds,” and scoopable fun! This colorful activity is perfect for summer sensory play (and it can be saved for years of fun).
- Why a watermelon sensory bin is perfect for summer
- Conversation starters during watermelon sensory bin play
- Materials
- How to make a watermelon sensory bin
- What kids are learning with this watermelon sensory bin
- Easy ways to reuse your dyed rice
- Watermelon trivia to share while playing
- Frequently Asked Questions
Why a watermelon sensory bin is perfect for summer
A watermelon sensory bin is the ultimate win for summer play!
It’s low-prep, mostly mess-contained, and can be taken outside for extra space and sunshine.
The best part? You only have to prep the materials once, and then you can save them for years and years of play.
🍉 Related: Learn how to dye pasta and how to dye garbanzo beans, too!
Conversation starters during watermelon sensory bin play
Sometimes the best learning happens through the simplest back-and-forth chatter.
While your littkes are playing with the watermelon sensory bin, you can sprinkle in some playful prompts and questions to build language and connection.
Here are a few to try:
- “How many black beans can you find?”
- “Can you make a watermelon smoothie?”
- “What does the rice feel like? Is it crunchy? Soft?”
- “If you had a watermelon stand, what would you name it?”
- “Can you scoop all the seeds into one cup?”
These kinds of conversations boost vocabulary, critical thinking, and creativity—all wrapped up in joyful, meaningful play.
🍉 Don’t miss these other summer must-makes:
Materials
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- White rice
- Pink (or red) and green liquid watercolors or food coloring
- Zip-top bags
- Baking sheet
- Dried black beans
- Shallow sensory bin or tray
- Scoops, spoons, bowls, small containers
How to make a watermelon sensory bin
- Pour white rice into a zip-top bag.
- Add in your coloring, then seal and shake the bags to fully coat the rice.
- Pour the rice onto a baking sheet and spread it out to dry for a few hours or overnight.
- Repeat the steps for the second color.
- Once dry, pour both colors into a shallow bin and add dried black beans on top.
- Add your scoops, cups, and any watermelon-themed extras.
- Invite kids to play and watch the magic unfold!
💡 Teacher Tip: I always dye my rice with liquid watercolors which do not need anything added to them. However, if you’re dyeing your rice with food coloring, check out these directions from Busy Toddler on adding vinegar for preservation.
What kids are learning with this watermelon sensory bin
At first glance, it might look like just scooping and pouring—but trust me, this watermelon sensory bin is packed with powerful learning moments.
- Fine motor skills: Kids strengthen their finger and hand muscles as they pinch, scoop, and pour the sensory rice and black beans. These motions help build coordination and control, which are essential for writing, cutting, buttoning, and more.
- Hand-eye coordination: Every time kids aim to pour rice into a cup, balance beans on a spoon, or transfer materials from one container to another, they’re refining the way their eyes and hands work together.
- Early math concepts: Sensory bins are a sneaky way to practice math! Children explore volume, quantity, patterns, and measurement as they fill and compare containers. Try prompts like “Which cup holds more?” or “Can you make two scoops the same size?”
- Language development: This is where the magic of play meets vocabulary growth. Words like grainy, smooth, slippery, tiny, and crunchy come to life as kids describe what they’re doing. Chatting during sensory play builds expressive language and confidence.
- Social-emotional learning: Whether they’re playing side by side or sharing scoops, children are practicing important social skills like turn-taking, collaboration, and patience. It’s low-stakes teamwork with big emotional benefits.
- Creativity and imagination: Themed bins like this open the door for pretend play. Today it’s a watermelon smoothie shop, tomorrow it’s a fruit stand or a cooking show—kids decide the script, and their creativity runs wild.
Easy ways to reuse your dyed rice
This summer sensory bin can easily transform into tons of other playful themes!
With pink and green sensory rice already prepped, you’ve got a head start on several fun setups.
Swap out a few accessories, and you’ve got a whole new activity without starting from scratch.
Here are some fun ways to reuse the same pink and green rice and black beans:
- Strawberry patch: The pink rice is perfect for a berry-themed bin—just add red pom poms, green felt leaves, and mini baskets for “picking” strawberries.
- Ice cream shop: Pink rice becomes strawberry ice cream, and the green can be mint! Add pom poms, plastic cones, and pretend sprinkles for sweet pretend play.
- Garden bin: Add artificial flowers, mini shovels, and seed packets for a spring gardening setup—your green rice is now the grassy ground!
- Valentine’s bin: The pink rice sets the perfect mood. Toss in heart-shaped containers, love-themed trinkets, or letter beads for an easy Valentine’s Day refresh.
This one batch of dyed rice can go the distance—just change the story, and let the sensory play keep rolling!
Watermelon trivia to share while playing
Kids love fun facts, and this bin is the perfect backdrop to toss in a few:
- Watermelons are 92% water (talk about juicy!).
- Every part of a watermelon is edible—even the rind!
- There are over 1,200 varieties of watermelon around the world.
- The heaviest watermelon on record weighed over 350 pounds.
- In Japan, some farmers grow square watermelons just for fun! (brb, heading to Japan to see these)
Frequently Asked Questions
If stored in a sealed container, your sensory rice can last for YEARS!
Sure! A drop of watermelon essential oils or extract is such a fun sensory addition.
Any shallow plastic tray or under-bed storage container works well.
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