Magna-Qubix 29-Piece Clear Colors Set – Link

Amazon has this currently marked down to its lowest ever at only $15.99!

• New from Magna-Tiles, the original 3D magnetic building sets that engage young minds by fusing together math, science and creativity
• 29 translucent, colorful 3D shapes including 4 square pyramids, 8 triangular prisms, 12 cubes, 2 hexagonal prism and 3 rectangular prisms
• Sparks hours of imaginative free play in children. Anything they can dream, they can create!
• Develops math, science, spatial and tactile skills. Stem approved!
• High-quality magnets are safely secured in each shape
• Ages 3 years and up