Recycled Crafts

Creative DIY Projects That Turn Trash Into Treasure

Squirt gun painting

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Squirt-Gun-Painting Happy unofficial kick off to summer! What a fun way to combine two classic summer time activities outdoor painting and shooting squirt guns. Pop on over to the blog Fireflies and Mud Pies for her advice on squirt water guns, how to set up for squirt gun painting and to see more fun projects and crafts.

Looking for an economical way to make a lot of paint? Try Paint powder,

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DIY Kids Craft Project – Upcycled Cardboard Box Sandcastle

kids-upcycled-cardboard-sandcastle

Looking for a creative way to keep the kids entertained this summer without spending a fortune? Turn your trash into treasure with this fun Recycled Sandcastle Craft Project! Using cardboard boxes, plastic lids, glue, and a bit of imagination, kids can build their very own sandcastle kingdom – no beach required!

 

What You’ll Need:

  • Cardboard boxes (cereal, tissue, shipping boxes – any size)

  • Toilet paper rolls or paper towel tubes

  • Plastic lids (yogurt containers, jar tops, etc.)

  • Paper or plastic straws, twigs, or sticks

  • Scrap plastic, paper, or fabric for flags

  • Craft glue or a hot glue gun (with adult supervision)

  • Scissors

  • Sand or beige paint (optional for decoration)

  • Markers, stickers, or leftover craft supplies to decorate

Step-by-Step Instructions:

Step 1: Gather and Prep Your Recyclables

Head to your recycling bin and pull out clean items that could work as castle parts—boxes for walls, tubes for towers, and lids for turrets. Cut down the boxes into smaller sections if needed, and make sure everything is dry and ready to work with.

Step 2: Plan Your Castle Layout

Before gluing anything down, lay out your castle design on a flat surface. Decide where the towers, walls, and “gate” will go. You can make it symmetrical, or go wild with a quirky kingdom layout!

Step 3: Glue the Main Structure Together

Use craft glue (or hot glue if you’re working with older kids or want faster drying). Start attaching the boxes and tubes together to form the base of your sandcastle. Stack tubes on top of boxes to create turrets. Use plastic lids as domes or roof tops.

Step 4: Add Decorative Elements

This is where the fun begins! Use:

  • Bottle caps as windows or shields

  • Buttons as faux stones

  • Cutout shapes from scrap cardboard for castle doors or battlements (those square-topped castle walls!) Get creative with what you’ve got – there’s no wrong way to build your dream castle.

Step 5: Make and Add Flags

Cut small triangles or flags from scrap plastic, fabric, or colored paper. Tape or glue these to the tops of straws, sticks, or twigs. Then, glue them onto the tops of towers or castle corners. You can even personalize each flag with a coat of arms or your child’s initials!

Step 6: Add the “Sand” Effect (Optional)

For an authentic look, brush glue over the castle and sprinkle it with craft sand. No sand on hand? Use beige paint, or mix some flour with a pinch of cinnamon for a sandy texture.

Step 7: Let it Dry and Display!

Let everything dry completely—especially if you’ve used a lot of glue. Then proudly display your recycled sandcastle on a shelf, or use it as part of imaginative play time.

Bonus Ideas:

  • Build a whole sandcastle village and connect them with paper bridges.

  • Make tiny “people” out of clothespins or paper scraps.

  • Add fairy lights inside for a magical castle glow at night.

This project is a fantastic way to keep little hands busy and teach kids the value of reusing materials. Plus, it’s just plain fun! Whether you’re doing this at home, in a classroom, or at a summer camp, your recycled sandcastles are sure to be a hit.