Mesmerizing sensory gel timer featuring 4 "blocks" of color that intermix, then separate when you flip the timer. This visually captivating, soothing sensory tool is wonderfully calming eye-candy for sensory breaks at your desk, during homework, or for calming spaces. Color Block Drip Timer is an effective self-regulation tool and office desk toy for teens – adults, you'll love it! For ages 6-adults. Colors may vary. *Please note these are a soothing sensory tool but aren't a toy for children (and may break and/or leak if dropped, etc.). Colors may vary.