Judith Jack "Winter Sparkle" Sterling Silver, Marcasite and Enamel Giftable Christmas Tree Brooch

Gold doesn't get any more edgy than this. Not only does this House of Harlow 1960 statement necklace flaunt etched detailing, but it's crafted from 14-karat gold plated metal for a completely mesmerizing effect.

Ready to be plucked like hanging fruit, the gray tone glass beads on this necklace and earring set from Charter Club are prettied up with crystal accents. Crafted in silver tone mixed metal. Approximate length (necklace): 16 inches. Approximate drop (necklace): 1-1/2 inches. Approximate drop (earrings): 1-1/4 inches.

Make 20 feet of blue polymer worms - instantly Amaze your friends with the wonders of polymers

Make a super bouncing ball out of powder It's the same method facctories use to mold plastics

Write messages with disappearing ink

Play with touchable bubbles, they don't pop, now how can that be?

Grow amazing polymer jelly crystals and turn them into bright colors, making a rainbow in a test tube