OLIA DESIGN OliaDesign Merkava Tank Building Blocks Set (343 Piece) This is a very high quality set manufactured by OliaDesign. It is 100% compatible with "Lego" Has rotating wheels and tracks, hatches that open to place the mini figures, rotating turret and cannon elevation and the new mini figures Superb product for developing small motor skills with children over 5 years old Made of ABS - the same material used by "Lego". This material is safe and will keep its shape and dimensions for years without warping Contains 343 bricks with 5 mini-figure that has advance features that allow the head to move right and left in addition to turning