Keep your whole class on time with this kit containing 24 student clocks and a Big Time Demonstration Clock. Students manipulate movable hands to follow along as you model time - telling activities. Color - coded hour and minute functions are easy to read. Durable plastic clocks feature hidden gears that maintain correct hour and minute relationships and include built - in removable stands. Set also includes Teacher's Guide.   WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.