Adorox Liquid Bubble Drop Motion Wheel Zig Zag Desk Toy (Dual Color Z Timer) 1 per package (COLORS WILL VARY) colored oil droplets making their way down a Z-shaped ramp Measurements: 5" tall ; 3" wide ; 1.5" thick Note: Keep out of direct sunlight. Liquid motion timer takes up to 1.5 minutes to go from one end to the other