This 21-part building set from Sebra is perfect for the child who loves to tighten, rotate and assemble.

The set offers hours of entertainment and helps the child develop motor skills and coordination. Invent, build, dismantle and start over again while you challenge your child's creativity and imagination.

The bolts and nuts are made from natural and painted beechwood, the beams are made of plywood.

This set consists of 6 bolts and 6 nuts as well as 9 beams in 3 different sizes.

This product is a perfect complement for the wooden Sebra tool kit and Sebra’s play tool bench.