Hedgehog Crystal Growing Kit for Kids Skin Care Two of our guinea pigs

Two of our guinea pigs are still happily using original prototypes from over five years ago

the better

and it kept her comfy and warm in the car for quite a while

Heftier 80# cardstock with a smooth matte finish (so it's easier to write on)

But is so versatile its also suitable as a digital thermometer for room temperature

Hedgehog Crystal Growing Kit for Kids Skin Care Two of our guinea pigsWe loved our chemistry sets and science toys as kids! And now you can grow your own colorful hedgehog crystal, just like in science class! We're kind of geeky over here at Hamor Hollow Hedgehogs. VENDOR DESCRIPTION Grow Red, Green, Blue And Orange Hedgehogs Crystals: Create beautiful crystals for 4 hedgehogs and bring them into life! Let your child feel like a real chemist watching the crystal grow in 72h. Chemistry has never been so fun and colorful!