Ages 2+ Bob Kolar illustrated this busy worksite for our Construction Jumbo Puzzle from Mudpuppy. In addition to a backhoe, dump trucks, bulldozer, asphalt spreader, and line painter, you can spot bluebirds! Jumbo Puzzles are a fun way to work on hand and eye coordination and to have fun together. Skills Fine motor skills Problem-solving skills Hand-eye coordination Patience Independent play Contents 25 piece puzzle