Learning Resources Spike the Fine Motor Hedgehog Poppin’ Shapes Sorter. This Spike pairs shape sorting with fidget fun for little hands! Match the 5 soft shape pieces with their corresponding holes, or fidget with their flexible popper material. Shapes store inside after playtime is over. Features multilingual packaging. Spike measures 18cm L x 15cm W. 7 Piece Set (Ages 18 months +)