These eco-friendly construction toys were inspired by children's board books and come with landscape and character pieces. Each set includes flat panels printed with colorful, water-based ink and slotted building blocks made from earth-friendly Sprigwood. The Palace and Barnyard are large sets. There are also medium sets: Construction Site, Ladybug Adventure and Safari Adventure (MSRP: $19.99). Large sets are 90 pieces; the medium are 60. Launch date: Fall 2009.