Four plastic test tubes with twist-on caps and one tray. Each tray holds 4 test tubes - one tube with yellow cap, one tube with blue cap, one tube with green cap and one tube with red cap.
Test tubes are 5" and tray is 5 3/4" x 2 1/8" x 2 1/8".
Use these test tubes for science activities, art (fill with paints--great at an easel with thin brushes), games, workjobs and more.
