Crystals & Tanks

This 4M Dino Crystal Terrarium kit applies geology, chemistry and paleontology all in one!

Grow your own crystal and make a magical unicorn wonderland.

Grow a big beautiful crystal and assemble a special platform to display it with a colour-changing LED circuit inside.

Cast your stone shape then watch it become encrusted with crystals!

Explore the chilly side of colour science with Crayola Colour Chemistry: Arctic Edition!

11 Shiny, Sparkling, Safe Crystal Experiments!

Grow your own crystal

Crystal Hedgehog
Ages 8+
1 Hedgehog in Assorted Colors (Blue, Pink, Green, Red)

Grow your own beautiful crystals that will glow in the dark.

Crystal Growing Color Changing Crystal Light
Ages: 8+