This crane is made of Pine. It is entirely glued together, so there are no hidden screws or nails. There is no finish on it. The crane is 4" long, 3 1/4" wide and 3 3/4" high. The boom is 8" long. There is a little catch on the winding mechanism that when engaged won't allow the load being raised to fall. The crane sits on a base which is 5" long, 3 1/2" wide and 1 1/8" high. The base has six 1 1/4" hardwood wheels, which are held on by six-axle pegs glued into the base. It comes with three blocks that have a screw eye in for lifting.