Double Bubble by Hape. There's always a new way to scoot around this endless maze. Zig, zag, zoom. Four sturdy suction cups secure the solid wooden base to virtually any smooth surface. Ideal size and weight for babies. A great size for travel. Nesting beads demonstrate the concept of "inside/outside" and offer peek-a-boo fun. Durable child safe paint finish and solid wood construction are hallmarks of Hape toys. Hape's toys stimulate children through every stage of development and help nurture and develop their natural abilities. Hape products meet or exceed all applicable safety standards.