OUCH (Original Ultimate Comprehensive Heuristic) Chemistry Modeling Kit

A Complete Teaching and Learning Kit for Modeling:
Covalent Bonding
VSEPR Theory
Balancing Equations
Enthalpy Change
Equilibrium
Acid-Base Reactions
Reaction Mechanisms
Dispersion Forces
Hydrogen Bonding
Water and Ice
Solvation
σ and π Bonds
Functional Groups
Isomers
Reaction Quotients

Kit Contents:
30 black 4-peg carbon atom centers
15 black 3-peg boron atom centers
90 white 1-peg hydrogen atom centers
60 red 4-peg oxygen atom centers
16 yellow 6-peg metal or sulfur atom centers
15 yellow 4-peg sulfur atom centers
30 blue 4-peg nitrogen atom centers
90 green 4-peg halogen atom centers
16 purple 5-peg phosphorous atom centers
15 black 2-peg beryllium atom centers
17 21cm Straws
90-1.25" PVC, clear and colorless bonds (single bonds)
90-4cm PVC, clear bonds and colorless (double bonds)
16-0.87" clear and colorless PVC bonds
14-0.87" white, PVC bonds
6-0.87" black, PVC bonds
6-2.12" white, PVC bonds (pi bonds)
30 Magnets
646 total pieces

PDF Documentation