Toy designed for older audiences, such as teenagers or adults, demonstrate advanced concepts. Newton's cradle, a desk toy designed by Simon Prebble, demonstrates the conservation of momentum and energy. Not all toys are appropriate for all ages of children. Even some toys which are marketed for a specific age range can even harm the development of children in that range. "Age compression" is a toy industry term that describes the modern trend of children moving through play stages faster than they did in the past. Children have a desire to progress to more complex toys at a faster pace, girls in
Energy Efficiency and Conservation Authority passing of the Energy Efficiency and Conservation Act meant that for the first time, New Zealand had a legislative basis for promoting energy efficiency, energy conservation, and renewable energy. The Energy Efficiency and Conservation Authority is responsible for preparing a national energy efficiency and conservation strategy for approval by the administering Minister. In 2004, EECA launched the Energywise Home Grants Programme to provide insulation retrofits to low-income owners of homes built before 1978. That year, minimum insulation standards were introduced to the New Zealand building code, and the majority of homes built prior to this had no insulation at all.