Description: DIY spring woodpecker model toy kits, educational physics mechanics science DIY experiments toy Fun woodpecker, as it slides, its beak will peck, novel gadget for kids play Exploring mechanics，interaction of the force of elastic friction and gravity，to emerge so funny woodpecker Develop children's hand & eye coordination, and help children experience the theory of power, expand kids scientific & mechanical interest Novel designed DIY scientific toy gifts for kids Main Material: Plastic Color：Multicolored Specification: Need to be assembled by yourself: assemble the model as the pictures shown Size Chart: size (L*W): Approx 5*6*30cm/ 1.96*2.36*11.81 inch Package Includes: 1 Set Spring Woodpecker Toy (with assembled picture instructions) (4 Pack) Note: Due to the manual measurement, please allow 1-2mm differences in size Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand