Kid constructor toy

Printed in ABS almost a week of print. About 600g of ABS.

All nut and bolts based on http://www.thingiverse.com/thing:193647

Bolt & rod - print with 20% infill and 1.6mm skin (for good adhesion and strong)
nut, row, L1, P* - print with 10% infill and 0.8mm skin.

Later add some extra detail.