Let's go for the best invention contest! This wooden accessory barrel is perfect for future inventors and tinkerers from 3 years old! Your child will spend long hours imagining and designing the craziest contraptions. With family or friends, you can even organise a contest for the craziest construction or try to guess what the other player is building! This game includes 100 accessories: 14 washers Ø58x8mm (2.28x0.31") + 8 wodden planks with 4 holes 230x30x6mm (9.1x1.2x0.24") + 14 wooden planks with 3 holes 170x30x6 mm (6.7x1.2x0.24") + 8 wooden planks with 2 holes 100x30x6mm (3.9x1.2x0.24") + 24 hexagonal nuts 34x30x15 mm (1.3x1.2x0.59") + 6 cubic nuts 30x30x30mm (1.2x1.2x1.2") + 12 bolts 34x65mm (1.3x2.6") + 12 screws Ø24x65mm (0.94x2.6") + 1 screwdriver 140x20x26 mm (5.5x0.79x1") + 1 spanner 155x50x10mm (6.1x2x0.39"). Instructions provided.