Nuts & Bolts - Four geometric bolts paired with uniquely designed nuts for child's development of finger dexterity. Designed using a unique combination of solid wood and PlanWood. Measures approximately 4.7(D) x 7.4(H)cm. Suitable for children aged 2+ years.Plan Toys are world renowned manufacturers of quality, sustainable, wooden toys. Plan Toys are an environmentally friendly choice. Plan Toys strive to constantly create new designs and manufacturing techniques that preserve more of the surrounding environment by using environmentally safe, responsible and sustainable methods to produce sustainable and educational toys and resources. All Plan Toys education resources are made from either rubber wood, or the excess rubber wood shavings that are mixed with an environmentally friendly glue. Rubber wood is a sustainable choice, as it is the wood that is taken from rubber trees that have stopped providing latex.