When the prices for the Power Functions were announced in the latest S@H catalogue, I was surprised how cheap they were. It would appear that LEGO were too once they'd re-done their calculations because the prices have increased considerably already. For example, the XL motor is listed at £3.99 but now costs £7.99.
However, if you're quick you can still order them at the old prices: Simply click-through from here, add them to your cart, then use catalogue code EJ99 or EJ80 when you check-out. You should find that the prices are reduced to the old level.
This will only work until the end of March when another catalogue is released.
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