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3 ribbon headbands
citrines or aquamarines
1 plastic needle with a round tip
the raised and indented patterns appear on the other side
new stories every time it's played
Thames and Kosmos Easy Electric Circuits Slime Making 3 ribbon headbandsExplore the science of electricity in a fun, hands on way by building 20 electric circuits and motorised devices conduct 15 simple circuit experiments and build 5 motorised mechanical devices. Conduct experiments to learn about many electrical components and physical science principles first hand. With each experiment, you can see for yourself the different effects the electric current has on the motor and the LED light. The innovative building system
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