This little Inductive Tank navigates on the power of a felt tip pen. There is no need for a track, just use the included marker ( or any wide nip felt tip pen ) and draw a path on a light surface. Then turn on the tank and watch it follow the line to perfection.

If you have kids, I’m sure you can imagine the kind of havoc something like this would cause. If you do decide to pick it up, you might want to try out a washable marker – or invest heavily in abrasive cleansers.

Price: £7.99 ( $16 )

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