Smartivity helps in brain development of your child with steam concepts based games and toys with real moving parts and mechanical actions! Smartivity adds the excitement and fun to the scientific toy and STEM category that kids and parents alike want and are looking for! STEM learning, quality and great value, fun extended game play, easy builds and trophy-type accomplishment. Details: Assorted colors and designs 16" x 12" x 6" overall packaging size 3 months of stem activities Certified kits Fully functional machines Recyclable, safe, non-toxic and sustainable Learn hydraulic systems, aerodynamics, scissor mechanisms and more High quality, re-engineered, laser cut wood Mess free rubber band assembly No glue required Suitable for ages 8 and up Contents: Hydraulic plane launcher kit Pinball machine kit Music machine kit