Stacking Wood Robots Double Set _ Bonus Silly Monster Drawstring Storage Bag Creative Stacking Toy with multi-color wooden robot pieces Double set with 18 Stacking Robots. Allows for dozens more balancing creations. Each robot is approximately 3.5 inches tall and .75 inches thick Fascinating design with grooves and hooks allow one to build robot towers. Bonus: Silly Monster Drawstring Storage Pouch (YELLOW). Holds all 18 Stacking Robots. Measures 12 x 15 inch laying flat.