Product description: With the "Construction and Learning Fun Eco House," young builders are introduced to the topics of renewable energy and energy saving - and to the joy of playing outdoors. This building set includes 89 large building blocks, including special pieces, and 3 bases with wheels. Toddlers can assemble a house, four figures, a rolling electric car, two rolling bicycles, a greenhouse with vegetables, a solar panel, and wind turbines with rotating blades. Children can mix and match the four figures as they wish. First Builders construction toys are suitable for children aged 1 and up.