1. Dual Sparkle Circuit Green connections are wires – they can be any colour. Make sure all + and - connections match up. Make sure the larger battery terminal is wired to negative (-). Make sure your Sparkles are connected to the ‘D’ output and are wired in the direction shown on the Sparkle itself.

2. Switch Circuit Green connections are wires – they can be any colour. Make sure all + and - connections match up. Make sure the larger battery terminal is wired to negative (-). The switch output can go to any free input (A,B or C).

3. Blocks to create circuitsAlternate programs