237 Pieces Creative Toy Drill Building Set. Let's Build : This electric drill puzzle comes with 237 pieces. Your kids can use the electric drill and screwdriver assembling the plates onto the base grid to build 2D and 3D crafts like lion, truck, butterfly, flowers, bird, helicopter, etc. They can play, build and learn at the same time. Specifications: Two-way electric drill (can be rotated in forward and reverse directions, requires 2 AA batteries, the product does not include batteries) The set includes: x1 Screwdriver x1 Wrench x1 Puzzle Manual x2 Drill bits x1 Portable box x20 Nuts x80 4 color screws x60 6 color mushroom nails x64 4 color polygon blocks x6 Right angle Connection blocks