Kids love robots! This activity set by Schylling combines boys' favorite robot figures and stacking fun! Wood Stacking Robots 9 pcs Playset includes 9 robots of different colors. The stacking robots interlock in many different ways to create whimsical shapes. Play with the colorful robots as toy characters, or stack them in any robotic formation you can imagine! Each wooden toy robot from this Educational Toys Planet's Wood Stacking Robots 9 pcs Playset measures 3.5 inches tall. Let's construct a futurist robot formation and refine motor skills!