R35.00 Standard shipping using one of our trusted couriers applies to most areas in South Africa. Some areas may attract a R30.00 surcharge. This will be calculated at checkout if applicable. Check my rate
The seller allows collection for this item. Buyers will receive the collection address and time once the order is ready.
The seller has indicated that they will usually have this item
ready to ship within 5 business days.
Shipping time depends on your delivery address.
The most accurate delivery time will be calculated at checkout,
but in general, the following shipping times apply:
Use these puzzles to aid the teaching of atoms and ions for your students to use in the classroom. The pieces were cut from MDF Board. These can be used to help your students to balance chemical equations and to grasp the idea of reactants in excess, when teaching stoichiometry. Some of the possible reactions with these pieces: 2 H2 O2 --> 2 H2O N2 3 H2 ---> 2 NH3 Pb(NO3)2 2 KI ---> PbI2 + 2 KNO3