Learning Resources Simple Stopwatch Design Your Own Projects Kit and layer colors

and layer colors

12-Piece Blank Puzzle 5-1/2" x 8" size with 24 puzzles per package

choose a pocket and scoop up all the stones in it

and two wooden rods make collecting them a blast

Learning Resources Simple Stopwatch Design Your Own Projects Kit and layer colorsSimple Stopwatch. Even your youngest students can master it. Only 3 buttonsgreen for go, red for stop and yellow for clear. Great for classroom management, centers, timed math exercises, science investigations and measuring elapsed time. Easy to read display shows minutes, seconds and 1 100 seconds. Measures 3"H. Requires one 1. 5V button cell battery, included. Grades K+.