This sound book is teeming with things to find and exciting puzzle sounds. Young and old can go on a voyage of discovery together in varied hidden object pictures. Through the dunes to the sandy beach by the sea or to the water playground with its fantastic pumps, mud ditches and fountains. Accompany children, families and countless passers-by on a boat trip on the river or witness a ship being christened in the harbour. There are all sorts of things to discover everywhere - including animals: seagulls, frogs, ducks, carp, reed warblers, beavers and much more. Small pictures in the margin invite you to search and find. The creators of the various noises and short speech sequences can also be found in the large hidden object pictures. Over time, even small children will become real sleuths. Great and above all long-lasting puzzle fun with all the senses to learn, enjoy and grow. Typical Hör mal Wimmelbuch. :. This is what awaits you in every Hör mal hidden object book:. 6 easily triggered sound tracks with a total playing time of up to 200 seconds. A total of over 30 individual sounds. Activation and deactivation of the sounds by pressing the coloured dots on each double page. Easy battery replacement when the sounds no longer have full playing time or are difficult to trigger. Easy to use from the age of 2. For younger children, parents should press the sound buttons, as the fine motor skills and strength of little fingers are not yet sufficient. All titles in the range are subject to strict safety requirements and quality controls. Each sound button is tested for functionality before delivery. The volume of the sounds complies with the requirements of the European Toy Safety Directive. The books are supplied with 3 standard 1.5 V LR 1130 button cell batteries.