It's a STEM skills extravaganza. Construction play meets engineering with this hands-on, Educational Insights Design & Drill Marble Maze maker. Mini-makers use a kid-friendly power drill and colorful bolts to attach 15 track pieces of varying length and shape to complete 10 different maze challenges. Drop the ball to test the track and make adjustments as needed. Once kids complete the challenges, it's time for free play maze-making. Either way, they're building critical thinking skills, exploring principles of science and engineering, developing fine motor skills, and more. The set includes a 12" x 10" design board, 15 track pieces, including an S track, straightaways, pinwheels, and more, a kid-friendly power drill, 20 colorful bolts, a ball, and five double-sided maze challenge cards. The drill requires three AAA batteries (not included). Set includes a design board, 15 track pieces (including an S track, straightaways, pinwheels, and more), kid-friendly power drill, 20 colorful bolts, ball, and five double-sided maze challenge cards. Warning: choking hazard due to small parts; not for children under three years. Drill requires three AAA batteries (not included). Dimensions: 10. 25"H x 8. 5"W x 2. 2"D. Made of plastic and comes multicolored. Construction play meets engineering with DIY maze maker; for kids from 5 to 12 years old