The Manipulative Kit contains all the manipulatives necessary for 20-25 students, including the following, packaged in 5 storage tubs: Base 10 - Hundreds Flat (6 pkgs of 10), Tens Rods (5 pkgs of 50), Unit Cubes (10 pkgs of 100); Beakers, Nested Graduated (4 Sets of 5); Clock Face Stamp (2); Clock Faces (1 pkg of 25); Connectors (1 pkg of 2,000); Counters, Translucent (1 pkg of 200); Dice, 10-Sided (1 pkg of 25); Dice, Blank (1 pkg of 16); Dice, Dot (2 pkgs of 12); Everything Math Decks (15); Fraction Circles Pieces (25 pkgs); Geoboards (8); Medicine Dropper, 1ml (1 pkg of 12); Number Line, -35 to 180 (1); Pattern Blocks (2 Sets of 250); Play Money $1 Bill Set (1 set of 350); Play Money $10 Bill Set (1 set of 150); Quick Look Cards: Equal Groups (1 set of 35 cards); Quick Look Cards: Fractions (1 set of 35 cards); Rocker Balance (1); Rubber Bands (1 pkg of 400); Rulers, 12in. (5 pkgs of 5); Standard Metric Masses (1); Straws (1 pkg of 500); Tape Measurers, Retractable (15); Meter Sticks, Dual Scale (2 sets of 10).