It's a busy scene with a lot of heavy-duty construction vehicles at work! What do you think they're building? It looks like there's tons of work for the operators of the dump trucks, excavator, roller, crawler dozer, drilling rig, cement mixer and cranes. Which would you like to use? Constructing puzzles builds valuable skills and helps develop hand-eye coordination, fine motor skills and problem-solving through repeated practice while delivering loads of fun! This 100-piece puzzle has extra-large, durable pieces little hands can easily hold on to for lots of repeat fun! Clean-cut pieces and Ravensburger's tight interlocking fit provide a pleasurable puzzling experience for children and their adult helpers alike. With piece counts children can grow with, our Perfect Age Fit criteria ensures this puzzle is fun and educational for ages 6 and up! Finished puzzle measures approximately 19 x 14 inches (49 x 36 cm).