SmartMax Build XXL 70-Piece Magnetic STEM Building Set with build on Case

It includes 70 colorful, oversized magnetic pieces and a sturdy storage container that also features unique building grids. The set is designed for young children to safely explore magnetism and build various structures. The magnets are exceptionally strong, capable of carrying up to 60 times their own weight, allowing for large constructions. All parts are compatible with other SmartMax sets, offering endless building possibilities. Preowned This set was missing one ball and one long rod. I substituted a yellow ball and ribbed blue long rod. Please see pics.