Toysmith Glow in the Dark Mars Mud (Slime/Putty) Complete Gift Set Party Bundle - 4 Pack Complete Gift Set Party Bundle Includes All 4 Glow in the Dark Mars Mud Colors.....Red, Green, Yellow & Pink! Play with this gooey gunk from another planet for hours of glow in the dark fun. Stretch and bounce this play marbled martian sludge that comes straight from the red planet. Perfect for party favors, stocking stuffers, gifts, stress relief, special needs, & so much more. Each Mars Mud comes packaged in resealable 3-inch x 2.25-inch container for easy transport and convenient storage. Slap it on the table and watch the slime slowly creep along the surface. Your friends will beg to play with your Mars Mud. For Ages 5 and up