A thrilling frozen treasure hunt where little scientists use salt, warm water, and gentle tools to free tiny toys trapped inside ice.
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The rescue mission framing is what makes this one work. The animals are trapped, and only you can save them, and suddenly a bowl of ice is the most urgent thing in the world.
I freeze it in layers the night before so the toys are suspended at different depths. Then I hand over warm water in squeeze bottles, a little salt, and a wooden mallet.
It bought me an entire hot afternoon and ended in a puddle and a lineup of rescued animals on the step.
Place the small toys and a few flower petals into the plastic container.
Pour water over the toys until they are just covered, then freeze overnight.
The next day, run the outside of the container under warm water for a few seconds and pop the ice block out onto the tray.
Hand your child the spray bottle and invite them to spray the ice. Watch together as the warm water melts the surface and reveals the treasures.
Sprinkle salt over a stubborn area and wait a moment — the salt will melt tiny grooves into the ice.
Use the tweezers to grip partially freed toys, or gently tap with the wooden mallet to crack thin sections.
Keep a paintbrush handy to sweep away ice chips and 'clean' the rescued toys.
Celebrate each rescue and line the freed animals up on the towel to dry.
Freeze the toys in layers so new treasures appear as the block melts. This keeps the excitement going from start to finish.