With the Design & Drill See-Through Activity Center, little builders can use kid-friendly tools to drill colorful bolts into the see-through base to create super cool translucent designs. Drill requires 3 AA batteries (not included). Learning Skill: Motor Skills Power Source: Battery (not Included) Measurements: 11.6 Depth/Inches, 12.1 Length/Inches, 3.3 Height/Inches Base Material: 100% Plastic Battery Size: Aa Country of Origin: Imported p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 15.0px Calibri; -webkit-text-stroke: #000000} span.s1 {font-kerning: none} WARNING: CHOKING HAZARD – small parts. Not for children under 3 years.