This electric green slime will keep your kids busy until long after the sun has gone down (though it might make bedtime more difficult to enforce). Get the tutorial at A Pumpkin and A Princess » - GoodHousekeeping.com
Stretch polymers and imaginations with this galaxy slime from Twodaloo! Using a standard slime recipe, adding just two extra ingredients can take your kids on a trip to the stars! Liquid starch, Elmer's glue, liquid water color, and glitter!