#FF170631 STEM Wooden Hydraulic Excavator Construction Kit
Stock #FF170631 - a STEM (Science, Technology, Engineering, Mathematics) model teaches a child to build and use physics in a very basic way. The excavator is operated using a set of water filled syringes. Set includes wooden pieces, tubing, syringes, screws & bolts, glue and instruction sheet. Finished kit measures approximately 13" L x 5" W x 7"H, for ages 6 & up.