With 4 different levels from top to bottom children will have great fun playing with this Water Reservoir Set. Children will enjoy filling the buckets and ladles and transferring water into the reservoirs. Hollow balls and small boats will add to the fun as children observe the effect of water flow and gravity. Children will come to understand opposing ideas like floating and sinking slow and fast shallow and deep as they play. Comes with a 2 year warranty Each reservoir has its own sluice that children can open and close to release or stop the water flowOverall Dimensions: Floor space 3300 x 2600mmReservoirs are height adjustable (except the low reservoir)High Reservoir – H640 x W400 x D400mmMiddle Reservoir – H500 x W400 x D400mmLow Reservoir – H360 x W400 x D400mmFor extra play value this set is supplied with:6 small plastic boats 5 hollow balls 3 ladles and 3 bucketsSet includes 2 grey trays (Large blue tray not included)Made from polypropylene plastic with stainless steel adjustable legs. Channels are a combination of marine plywood and extremely strong polycarbonate tubingSupplied flat packed with simple assembly instructions.Ages 3+