K'nex Tonka Metal Movers Vehicles with Tonka Tough Dirt - Yellow Bulldozer Blade Science fill with either sand or

fill with either sand or water to increase stability

they make up a sentence and say it out loud (without showing the card to the other players)

face down or face up

Cast your own volcano (plaster and mould included)

K'nex Tonka Metal Movers Vehicles with Tonka Tough Dirt - Yellow Bulldozer Blade Science fill with either sand orRamp up the fun with Tonka Metal Movers vehicles and Tonka Tough Dirt! Tonka Tough Dirt is a no mess sand compound that mimics real construction site conditions! Load up the diecast dumper truck with dirt or push the bulldozer through a dirt pile! Each Tonka construction toy comes with a bonus collector card! Tonka's all new Metal Movers range include a dumper truck and bulldozer made from high quality diecast metal, to ensure they're 'Tonka Tough'.