This toy is recommended by spiel gut (Good Toy) What does this mean? Since 1954, educationalists, psychologists, doctors, technicians, experts in design, chemistry, electronics ... and parents - scientific and practical people - have been examining and assessing toys - from babies' rattles to material for experimenting. They work on a honorary basis and are independent of the toy industry and retailers. Their spiel gut recommendation signifies that this toy has been tested with children and examined by experts with a positive result. Their criteria: play value, material, workmanship, construction, durability, safety, design, size, quantity, quality of the instructions for playing or making, suitability for the appropriate age group ...