| calorimeter |
| calcite China |
| cat eye |
| carbon fiber |
| cell stain set |
| circular motion set |
| circumfernece area board |
| collision steel ball pendulum set |
| collision experiment set |
| current magnet force apparatus |
| chemical risk label |
| chart, Ishihara color blindness |
| chemical symbol magnetic label |
| clinistix paper |
| clean energy engine |
| crocoilde & plug board |
| crocoilde & plug cable |
| compass varities |
| compass magnetic needle |
| conducing heat apparatus |
| contact key |
| colour polaroid |
| colour filter set |
| cork, stopper |
| circular water tank apparatus |
| charging & discharging kit |
| climber Uncle John |
| chemical playing card |
| crystal radio |
| coin battery Japan |
| compact light source |
| conductivity kit |
| cork sheet |
| chemicals |